First commit

vendor/symfony/var-dumper/.gitignore

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+composer.lock
+phpunit.xml
+vendor/

vendor/symfony/var-dumper/CHANGELOG.md

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+CHANGELOG
+=========
+
+3.4.0
+-----
+
+ * added `AbstractCloner::setMinDepth()` function to ensure minimum tree depth
+ * deprecated `MongoCaster`
+
+2.7.0
+-----
+
+ * deprecated Cloner\Data::getLimitedClone(). Use withMaxDepth, withMaxItemsPerDepth or withRefHandles instead.

vendor/symfony/var-dumper/Caster/AmqpCaster.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts Amqp related classes to array representation.
+ *
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+class AmqpCaster
+{
+    private static $flags = array(
+        AMQP_DURABLE => 'AMQP_DURABLE',
+        AMQP_PASSIVE => 'AMQP_PASSIVE',
+        AMQP_EXCLUSIVE => 'AMQP_EXCLUSIVE',
+        AMQP_AUTODELETE => 'AMQP_AUTODELETE',
+        AMQP_INTERNAL => 'AMQP_INTERNAL',
+        AMQP_NOLOCAL => 'AMQP_NOLOCAL',
+        AMQP_AUTOACK => 'AMQP_AUTOACK',
+        AMQP_IFEMPTY => 'AMQP_IFEMPTY',
+        AMQP_IFUNUSED => 'AMQP_IFUNUSED',
+        AMQP_MANDATORY => 'AMQP_MANDATORY',
+        AMQP_IMMEDIATE => 'AMQP_IMMEDIATE',
+        AMQP_MULTIPLE => 'AMQP_MULTIPLE',
+        AMQP_NOWAIT => 'AMQP_NOWAIT',
+        AMQP_REQUEUE => 'AMQP_REQUEUE',
+    );
+
+    private static $exchangeTypes = array(
+        AMQP_EX_TYPE_DIRECT => 'AMQP_EX_TYPE_DIRECT',
+        AMQP_EX_TYPE_FANOUT => 'AMQP_EX_TYPE_FANOUT',
+        AMQP_EX_TYPE_TOPIC => 'AMQP_EX_TYPE_TOPIC',
+        AMQP_EX_TYPE_HEADERS => 'AMQP_EX_TYPE_HEADERS',
+    );
+
+    public static function castConnection(\AMQPConnection $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += array(
+            $prefix.'is_connected' => $c->isConnected(),
+        );
+
+        // Recent version of the extension already expose private properties
+        if (isset($a["\x00AMQPConnection\x00login"])) {
+            return $a;
+        }
+
+        // BC layer in the amqp lib
+        if (method_exists($c, 'getReadTimeout')) {
+            $timeout = $c->getReadTimeout();
+        } else {
+            $timeout = $c->getTimeout();
+        }
+
+        $a += array(
+            $prefix.'is_connected' => $c->isConnected(),
+            $prefix.'login' => $c->getLogin(),
+            $prefix.'password' => $c->getPassword(),
+            $prefix.'host' => $c->getHost(),
+            $prefix.'vhost' => $c->getVhost(),
+            $prefix.'port' => $c->getPort(),
+            $prefix.'read_timeout' => $timeout,
+        );
+
+        return $a;
+    }
+
+    public static function castChannel(\AMQPChannel $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += array(
+            $prefix.'is_connected' => $c->isConnected(),
+            $prefix.'channel_id' => $c->getChannelId(),
+        );
+
+        // Recent version of the extension already expose private properties
+        if (isset($a["\x00AMQPChannel\x00connection"])) {
+            return $a;
+        }
+
+        $a += array(
+            $prefix.'connection' => $c->getConnection(),
+            $prefix.'prefetch_size' => $c->getPrefetchSize(),
+            $prefix.'prefetch_count' => $c->getPrefetchCount(),
+        );
+
+        return $a;
+    }
+
+    public static function castQueue(\AMQPQueue $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += array(
+            $prefix.'flags' => self::extractFlags($c->getFlags()),
+        );
+
+        // Recent version of the extension already expose private properties
+        if (isset($a["\x00AMQPQueue\x00name"])) {
+            return $a;
+        }
+
+        $a += array(
+            $prefix.'connection' => $c->getConnection(),
+            $prefix.'channel' => $c->getChannel(),
+            $prefix.'name' => $c->getName(),
+            $prefix.'arguments' => $c->getArguments(),
+        );
+
+        return $a;
+    }
+
+    public static function castExchange(\AMQPExchange $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += array(
+            $prefix.'flags' => self::extractFlags($c->getFlags()),
+        );
+
+        $type = isset(self::$exchangeTypes[$c->getType()]) ? new ConstStub(self::$exchangeTypes[$c->getType()], $c->getType()) : $c->getType();
+
+        // Recent version of the extension already expose private properties
+        if (isset($a["\x00AMQPExchange\x00name"])) {
+            $a["\x00AMQPExchange\x00type"] = $type;
+
+            return $a;
+        }
+
+        $a += array(
+            $prefix.'connection' => $c->getConnection(),
+            $prefix.'channel' => $c->getChannel(),
+            $prefix.'name' => $c->getName(),
+            $prefix.'type' => $type,
+            $prefix.'arguments' => $c->getArguments(),
+        );
+
+        return $a;
+    }
+
+    public static function castEnvelope(\AMQPEnvelope $c, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $deliveryMode = new ConstStub($c->getDeliveryMode().(2 === $c->getDeliveryMode() ? ' (persistent)' : ' (non-persistent)'), $c->getDeliveryMode());
+
+        // Recent version of the extension already expose private properties
+        if (isset($a["\x00AMQPEnvelope\x00body"])) {
+            $a["\0AMQPEnvelope\0delivery_mode"] = $deliveryMode;
+
+            return $a;
+        }
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE)) {
+            $a += array($prefix.'body' => $c->getBody());
+        }
+
+        $a += array(
+            $prefix.'delivery_tag' => $c->getDeliveryTag(),
+            $prefix.'is_redelivery' => $c->isRedelivery(),
+            $prefix.'exchange_name' => $c->getExchangeName(),
+            $prefix.'routing_key' => $c->getRoutingKey(),
+            $prefix.'content_type' => $c->getContentType(),
+            $prefix.'content_encoding' => $c->getContentEncoding(),
+            $prefix.'headers' => $c->getHeaders(),
+            $prefix.'delivery_mode' => $deliveryMode,
+            $prefix.'priority' => $c->getPriority(),
+            $prefix.'correlation_id' => $c->getCorrelationId(),
+            $prefix.'reply_to' => $c->getReplyTo(),
+            $prefix.'expiration' => $c->getExpiration(),
+            $prefix.'message_id' => $c->getMessageId(),
+            $prefix.'timestamp' => $c->getTimeStamp(),
+            $prefix.'type' => $c->getType(),
+            $prefix.'user_id' => $c->getUserId(),
+            $prefix.'app_id' => $c->getAppId(),
+        );
+
+        return $a;
+    }
+
+    private static function extractFlags($flags)
+    {
+        $flagsArray = array();
+
+        foreach (self::$flags as $value => $name) {
+            if ($flags & $value) {
+                $flagsArray[] = $name;
+            }
+        }
+
+        if (!$flagsArray) {
+            $flagsArray = array('AMQP_NOPARAM');
+        }
+
+        return new ConstStub(implode('|', $flagsArray), $flags);
+    }
+}

vendor/symfony/var-dumper/Caster/ArgsStub.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents a list of function arguments.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ArgsStub extends EnumStub
+{
+    private static $parameters = array();
+
+    public function __construct(array $args, $function, $class)
+    {
+        list($variadic, $params) = self::getParameters($function, $class);
+
+        $values = array();
+        foreach ($args as $k => $v) {
+            $values[$k] = !is_scalar($v) && !$v instanceof Stub ? new CutStub($v) : $v;
+        }
+        if (null === $params) {
+            parent::__construct($values, false);
+
+            return;
+        }
+        if (count($values) < count($params)) {
+            $params = array_slice($params, 0, count($values));
+        } elseif (count($values) > count($params)) {
+            $values[] = new EnumStub(array_splice($values, count($params)), false);
+            $params[] = $variadic;
+        }
+        if (array('...') === $params) {
+            $this->dumpKeys = false;
+            $this->value = $values[0]->value;
+        } else {
+            $this->value = array_combine($params, $values);
+        }
+    }
+
+    private static function getParameters($function, $class)
+    {
+        if (isset(self::$parameters[$k = $class.'::'.$function])) {
+            return self::$parameters[$k];
+        }
+
+        try {
+            $r = null !== $class ? new \ReflectionMethod($class, $function) : new \ReflectionFunction($function);
+        } catch (\ReflectionException $e) {
+            return array(null, null);
+        }
+
+        $variadic = '...';
+        $params = array();
+        foreach ($r->getParameters() as $v) {
+            $k = '$'.$v->name;
+            if ($v->isPassedByReference()) {
+                $k = '&'.$k;
+            }
+            if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
+                $variadic .= $k;
+            } else {
+                $params[] = $k;
+            }
+        }
+
+        return self::$parameters[$k] = array($variadic, $params);
+    }
+}

vendor/symfony/var-dumper/Caster/Caster.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Helper for filtering out properties in casters.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @final
+ */
+class Caster
+{
+    const EXCLUDE_VERBOSE = 1;
+    const EXCLUDE_VIRTUAL = 2;
+    const EXCLUDE_DYNAMIC = 4;
+    const EXCLUDE_PUBLIC = 8;
+    const EXCLUDE_PROTECTED = 16;
+    const EXCLUDE_PRIVATE = 32;
+    const EXCLUDE_NULL = 64;
+    const EXCLUDE_EMPTY = 128;
+    const EXCLUDE_NOT_IMPORTANT = 256;
+    const EXCLUDE_STRICT = 512;
+
+    const PREFIX_VIRTUAL = "\0~\0";
+    const PREFIX_DYNAMIC = "\0+\0";
+    const PREFIX_PROTECTED = "\0*\0";
+
+    /**
+     * Casts objects to arrays and adds the dynamic property prefix.
+     *
+     * @param object $obj          The object to cast
+     * @param string $class        The class of the object
+     * @param bool   $hasDebugInfo Whether the __debugInfo method exists on $obj or not
+     *
+     * @return array The array-cast of the object, with prefixed dynamic properties
+     */
+    public static function castObject($obj, $class, $hasDebugInfo = false)
+    {
+        if ($class instanceof \ReflectionClass) {
+            @trigger_error(sprintf('Passing a ReflectionClass to %s() is deprecated since Symfony 3.3 and will be unsupported in 4.0. Pass the class name as string instead.', __METHOD__), E_USER_DEPRECATED);
+            $hasDebugInfo = $class->hasMethod('__debugInfo');
+            $class = $class->name;
+        }
+        if ($hasDebugInfo) {
+            $a = $obj->__debugInfo();
+        } elseif ($obj instanceof \Closure) {
+            $a = array();
+        } else {
+            $a = (array) $obj;
+        }
+        if ($obj instanceof \__PHP_Incomplete_Class) {
+            return $a;
+        }
+
+        if ($a) {
+            static $publicProperties = array();
+
+            $i = 0;
+            $prefixedKeys = array();
+            foreach ($a as $k => $v) {
+                if (isset($k[0]) ? "\0" !== $k[0] : \PHP_VERSION_ID >= 70200) {
+                    if (!isset($publicProperties[$class])) {
+                        foreach (get_class_vars($class) as $prop => $v) {
+                            $publicProperties[$class][$prop] = true;
+                        }
+                    }
+                    if (!isset($publicProperties[$class][$k])) {
+                        $prefixedKeys[$i] = self::PREFIX_DYNAMIC.$k;
+                    }
+                } elseif (isset($k[16]) && "\0" === $k[16] && 0 === strpos($k, "\0class@anonymous\0")) {
+                    $prefixedKeys[$i] = "\0".get_parent_class($class).'@anonymous'.strrchr($k, "\0");
+                }
+                ++$i;
+            }
+            if ($prefixedKeys) {
+                $keys = array_keys($a);
+                foreach ($prefixedKeys as $i => $k) {
+                    $keys[$i] = $k;
+                }
+                $a = array_combine($keys, $a);
+            }
+        }
+
+        return $a;
+    }
+
+    /**
+     * Filters out the specified properties.
+     *
+     * By default, a single match in the $filter bit field filters properties out, following an "or" logic.
+     * When EXCLUDE_STRICT is set, an "and" logic is applied: all bits must match for a property to be removed.
+     *
+     * @param array    $a                The array containing the properties to filter
+     * @param int      $filter           A bit field of Caster::EXCLUDE_* constants specifying which properties to filter out
+     * @param string[] $listedProperties List of properties to exclude when Caster::EXCLUDE_VERBOSE is set, and to preserve when Caster::EXCLUDE_NOT_IMPORTANT is set
+     * @param int      &$count           Set to the number of removed properties
+     *
+     * @return array The filtered array
+     */
+    public static function filter(array $a, $filter, array $listedProperties = array(), &$count = 0)
+    {
+        $count = 0;
+
+        foreach ($a as $k => $v) {
+            $type = self::EXCLUDE_STRICT & $filter;
+
+            if (null === $v) {
+                $type |= self::EXCLUDE_NULL & $filter;
+                $type |= self::EXCLUDE_EMPTY & $filter;
+            } elseif (false === $v || '' === $v || '0' === $v || 0 === $v || 0.0 === $v || array() === $v) {
+                $type |= self::EXCLUDE_EMPTY & $filter;
+            }
+            if ((self::EXCLUDE_NOT_IMPORTANT & $filter) && !in_array($k, $listedProperties, true)) {
+                $type |= self::EXCLUDE_NOT_IMPORTANT;
+            }
+            if ((self::EXCLUDE_VERBOSE & $filter) && in_array($k, $listedProperties, true)) {
+                $type |= self::EXCLUDE_VERBOSE;
+            }
+
+            if (!isset($k[1]) || "\0" !== $k[0]) {
+                $type |= self::EXCLUDE_PUBLIC & $filter;
+            } elseif ('~' === $k[1]) {
+                $type |= self::EXCLUDE_VIRTUAL & $filter;
+            } elseif ('+' === $k[1]) {
+                $type |= self::EXCLUDE_DYNAMIC & $filter;
+            } elseif ('*' === $k[1]) {
+                $type |= self::EXCLUDE_PROTECTED & $filter;
+            } else {
+                $type |= self::EXCLUDE_PRIVATE & $filter;
+            }
+
+            if ((self::EXCLUDE_STRICT & $filter) ? $type === $filter : $type) {
+                unset($a[$k]);
+                ++$count;
+            }
+        }
+
+        return $a;
+    }
+
+    public static function castPhpIncompleteClass(\__PHP_Incomplete_Class $c, array $a, Stub $stub, $isNested)
+    {
+        if (isset($a['__PHP_Incomplete_Class_Name'])) {
+            $stub->class .= '('.$a['__PHP_Incomplete_Class_Name'].')';
+            unset($a['__PHP_Incomplete_Class_Name']);
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/ClassStub.php

@@ -0,0 +1,87 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a PHP class identifier.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ClassStub extends ConstStub
+{
+    /**
+     * @param string   A PHP identifier, e.g. a class, method, interface, etc. name
+     * @param callable The callable targeted by the identifier when it is ambiguous or not a real PHP identifier
+     */
+    public function __construct($identifier, $callable = null)
+    {
+        $this->value = $identifier;
+
+        if (0 < $i = strrpos($identifier, '\\')) {
+            $this->attr['ellipsis'] = strlen($identifier) - $i;
+            $this->attr['ellipsis-type'] = 'class';
+            $this->attr['ellipsis-tail'] = 1;
+        }
+
+        try {
+            if (null !== $callable) {
+                if ($callable instanceof \Closure) {
+                    $r = new \ReflectionFunction($callable);
+                } elseif (is_object($callable)) {
+                    $r = array($callable, '__invoke');
+                } elseif (is_array($callable)) {
+                    $r = $callable;
+                } elseif (false !== $i = strpos($callable, '::')) {
+                    $r = array(substr($callable, 0, $i), substr($callable, 2 + $i));
+                } else {
+                    $r = new \ReflectionFunction($callable);
+                }
+            } elseif (0 < $i = strpos($identifier, '::') ?: strpos($identifier, '->')) {
+                $r = array(substr($identifier, 0, $i), substr($identifier, 2 + $i));
+            } else {
+                $r = new \ReflectionClass($identifier);
+            }
+
+            if (is_array($r)) {
+                try {
+                    $r = new \ReflectionMethod($r[0], $r[1]);
+                } catch (\ReflectionException $e) {
+                    $r = new \ReflectionClass($r[0]);
+                }
+            }
+        } catch (\ReflectionException $e) {
+            return;
+        }
+
+        if ($f = $r->getFileName()) {
+            $this->attr['file'] = $f;
+            $this->attr['line'] = $r->getStartLine();
+        }
+    }
+
+    public static function wrapCallable($callable)
+    {
+        if (is_object($callable) || !is_callable($callable)) {
+            return $callable;
+        }
+
+        if (!is_array($callable)) {
+            $callable = new static($callable);
+        } elseif (is_string($callable[0])) {
+            $callable[0] = new static($callable[0]);
+        } else {
+            $callable[1] = new static($callable[1], $callable);
+        }
+
+        return $callable;
+    }
+}

vendor/symfony/var-dumper/Caster/ConstStub.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents a PHP constant and its value.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ConstStub extends Stub
+{
+    public function __construct($name, $value)
+    {
+        $this->class = $name;
+        $this->value = $value;
+    }
+
+    public function __toString()
+    {
+        return (string) $this->value;
+    }
+}

vendor/symfony/var-dumper/Caster/CutArrayStub.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a cut array.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CutArrayStub extends CutStub
+{
+    public $preservedSubset;
+
+    public function __construct(array $value, array $preservedKeys)
+    {
+        parent::__construct($value);
+
+        $this->preservedSubset = array_intersect_key($value, array_flip($preservedKeys));
+        $this->cut -= count($this->preservedSubset);
+    }
+}

vendor/symfony/var-dumper/Caster/CutStub.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents the main properties of a PHP variable, pre-casted by a caster.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CutStub extends Stub
+{
+    public function __construct($value)
+    {
+        $this->value = $value;
+
+        switch (gettype($value)) {
+            case 'object':
+                $this->type = self::TYPE_OBJECT;
+                $this->class = get_class($value);
+                $this->cut = -1;
+                break;
+
+            case 'array':
+                $this->type = self::TYPE_ARRAY;
+                $this->class = self::ARRAY_ASSOC;
+                $this->cut = $this->value = count($value);
+                break;
+
+            case 'resource':
+            case 'unknown type':
+            case 'resource (closed)':
+                $this->type = self::TYPE_RESOURCE;
+                $this->handle = (int) $value;
+                if ('Unknown' === $this->class = @get_resource_type($value)) {
+                    $this->class = 'Closed';
+                }
+                $this->cut = -1;
+                break;
+
+            case 'string':
+                $this->type = self::TYPE_STRING;
+                $this->class = preg_match('//u', $value) ? self::STRING_UTF8 : self::STRING_BINARY;
+                $this->cut = self::STRING_BINARY === $this->class ? strlen($value) : mb_strlen($value, 'UTF-8');
+                $this->value = '';
+                break;
+        }
+    }
+}

vendor/symfony/var-dumper/Caster/DOMCaster.php

@@ -0,0 +1,302 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts DOM related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DOMCaster
+{
+    private static $errorCodes = array(
+        DOM_PHP_ERR => 'DOM_PHP_ERR',
+        DOM_INDEX_SIZE_ERR => 'DOM_INDEX_SIZE_ERR',
+        DOMSTRING_SIZE_ERR => 'DOMSTRING_SIZE_ERR',
+        DOM_HIERARCHY_REQUEST_ERR => 'DOM_HIERARCHY_REQUEST_ERR',
+        DOM_WRONG_DOCUMENT_ERR => 'DOM_WRONG_DOCUMENT_ERR',
+        DOM_INVALID_CHARACTER_ERR => 'DOM_INVALID_CHARACTER_ERR',
+        DOM_NO_DATA_ALLOWED_ERR => 'DOM_NO_DATA_ALLOWED_ERR',
+        DOM_NO_MODIFICATION_ALLOWED_ERR => 'DOM_NO_MODIFICATION_ALLOWED_ERR',
+        DOM_NOT_FOUND_ERR => 'DOM_NOT_FOUND_ERR',
+        DOM_NOT_SUPPORTED_ERR => 'DOM_NOT_SUPPORTED_ERR',
+        DOM_INUSE_ATTRIBUTE_ERR => 'DOM_INUSE_ATTRIBUTE_ERR',
+        DOM_INVALID_STATE_ERR => 'DOM_INVALID_STATE_ERR',
+        DOM_SYNTAX_ERR => 'DOM_SYNTAX_ERR',
+        DOM_INVALID_MODIFICATION_ERR => 'DOM_INVALID_MODIFICATION_ERR',
+        DOM_NAMESPACE_ERR => 'DOM_NAMESPACE_ERR',
+        DOM_INVALID_ACCESS_ERR => 'DOM_INVALID_ACCESS_ERR',
+        DOM_VALIDATION_ERR => 'DOM_VALIDATION_ERR',
+    );
+
+    private static $nodeTypes = array(
+        XML_ELEMENT_NODE => 'XML_ELEMENT_NODE',
+        XML_ATTRIBUTE_NODE => 'XML_ATTRIBUTE_NODE',
+        XML_TEXT_NODE => 'XML_TEXT_NODE',
+        XML_CDATA_SECTION_NODE => 'XML_CDATA_SECTION_NODE',
+        XML_ENTITY_REF_NODE => 'XML_ENTITY_REF_NODE',
+        XML_ENTITY_NODE => 'XML_ENTITY_NODE',
+        XML_PI_NODE => 'XML_PI_NODE',
+        XML_COMMENT_NODE => 'XML_COMMENT_NODE',
+        XML_DOCUMENT_NODE => 'XML_DOCUMENT_NODE',
+        XML_DOCUMENT_TYPE_NODE => 'XML_DOCUMENT_TYPE_NODE',
+        XML_DOCUMENT_FRAG_NODE => 'XML_DOCUMENT_FRAG_NODE',
+        XML_NOTATION_NODE => 'XML_NOTATION_NODE',
+        XML_HTML_DOCUMENT_NODE => 'XML_HTML_DOCUMENT_NODE',
+        XML_DTD_NODE => 'XML_DTD_NODE',
+        XML_ELEMENT_DECL_NODE => 'XML_ELEMENT_DECL_NODE',
+        XML_ATTRIBUTE_DECL_NODE => 'XML_ATTRIBUTE_DECL_NODE',
+        XML_ENTITY_DECL_NODE => 'XML_ENTITY_DECL_NODE',
+        XML_NAMESPACE_DECL_NODE => 'XML_NAMESPACE_DECL_NODE',
+    );
+
+    public static function castException(\DOMException $e, array $a, Stub $stub, $isNested)
+    {
+        $k = Caster::PREFIX_PROTECTED.'code';
+        if (isset($a[$k], self::$errorCodes[$a[$k]])) {
+            $a[$k] = new ConstStub(self::$errorCodes[$a[$k]], $a[$k]);
+        }
+
+        return $a;
+    }
+
+    public static function castLength($dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'length' => $dom->length,
+        );
+
+        return $a;
+    }
+
+    public static function castImplementation($dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            Caster::PREFIX_VIRTUAL.'Core' => '1.0',
+            Caster::PREFIX_VIRTUAL.'XML' => '2.0',
+        );
+
+        return $a;
+    }
+
+    public static function castNode(\DOMNode $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'nodeName' => $dom->nodeName,
+            'nodeValue' => new CutStub($dom->nodeValue),
+            'nodeType' => new ConstStub(self::$nodeTypes[$dom->nodeType], $dom->nodeType),
+            'parentNode' => new CutStub($dom->parentNode),
+            'childNodes' => $dom->childNodes,
+            'firstChild' => new CutStub($dom->firstChild),
+            'lastChild' => new CutStub($dom->lastChild),
+            'previousSibling' => new CutStub($dom->previousSibling),
+            'nextSibling' => new CutStub($dom->nextSibling),
+            'attributes' => $dom->attributes,
+            'ownerDocument' => new CutStub($dom->ownerDocument),
+            'namespaceURI' => $dom->namespaceURI,
+            'prefix' => $dom->prefix,
+            'localName' => $dom->localName,
+            'baseURI' => $dom->baseURI ? new LinkStub($dom->baseURI) : $dom->baseURI,
+            'textContent' => new CutStub($dom->textContent),
+        );
+
+        return $a;
+    }
+
+    public static function castNameSpaceNode(\DOMNameSpaceNode $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'nodeName' => $dom->nodeName,
+            'nodeValue' => new CutStub($dom->nodeValue),
+            'nodeType' => new ConstStub(self::$nodeTypes[$dom->nodeType], $dom->nodeType),
+            'prefix' => $dom->prefix,
+            'localName' => $dom->localName,
+            'namespaceURI' => $dom->namespaceURI,
+            'ownerDocument' => new CutStub($dom->ownerDocument),
+            'parentNode' => new CutStub($dom->parentNode),
+        );
+
+        return $a;
+    }
+
+    public static function castDocument(\DOMDocument $dom, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        $a += array(
+            'doctype' => $dom->doctype,
+            'implementation' => $dom->implementation,
+            'documentElement' => new CutStub($dom->documentElement),
+            'actualEncoding' => $dom->actualEncoding,
+            'encoding' => $dom->encoding,
+            'xmlEncoding' => $dom->xmlEncoding,
+            'standalone' => $dom->standalone,
+            'xmlStandalone' => $dom->xmlStandalone,
+            'version' => $dom->version,
+            'xmlVersion' => $dom->xmlVersion,
+            'strictErrorChecking' => $dom->strictErrorChecking,
+            'documentURI' => $dom->documentURI ? new LinkStub($dom->documentURI) : $dom->documentURI,
+            'config' => $dom->config,
+            'formatOutput' => $dom->formatOutput,
+            'validateOnParse' => $dom->validateOnParse,
+            'resolveExternals' => $dom->resolveExternals,
+            'preserveWhiteSpace' => $dom->preserveWhiteSpace,
+            'recover' => $dom->recover,
+            'substituteEntities' => $dom->substituteEntities,
+        );
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE)) {
+            $formatOutput = $dom->formatOutput;
+            $dom->formatOutput = true;
+            $a += array(Caster::PREFIX_VIRTUAL.'xml' => $dom->saveXML());
+            $dom->formatOutput = $formatOutput;
+        }
+
+        return $a;
+    }
+
+    public static function castCharacterData(\DOMCharacterData $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'data' => $dom->data,
+            'length' => $dom->length,
+        );
+
+        return $a;
+    }
+
+    public static function castAttr(\DOMAttr $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'name' => $dom->name,
+            'specified' => $dom->specified,
+            'value' => $dom->value,
+            'ownerElement' => $dom->ownerElement,
+            'schemaTypeInfo' => $dom->schemaTypeInfo,
+        );
+
+        return $a;
+    }
+
+    public static function castElement(\DOMElement $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'tagName' => $dom->tagName,
+            'schemaTypeInfo' => $dom->schemaTypeInfo,
+        );
+
+        return $a;
+    }
+
+    public static function castText(\DOMText $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'wholeText' => $dom->wholeText,
+        );
+
+        return $a;
+    }
+
+    public static function castTypeinfo(\DOMTypeinfo $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'typeName' => $dom->typeName,
+            'typeNamespace' => $dom->typeNamespace,
+        );
+
+        return $a;
+    }
+
+    public static function castDomError(\DOMDomError $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'severity' => $dom->severity,
+            'message' => $dom->message,
+            'type' => $dom->type,
+            'relatedException' => $dom->relatedException,
+            'related_data' => $dom->related_data,
+            'location' => $dom->location,
+        );
+
+        return $a;
+    }
+
+    public static function castLocator(\DOMLocator $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'lineNumber' => $dom->lineNumber,
+            'columnNumber' => $dom->columnNumber,
+            'offset' => $dom->offset,
+            'relatedNode' => $dom->relatedNode,
+            'uri' => $dom->uri ? new LinkStub($dom->uri, $dom->lineNumber) : $dom->uri,
+        );
+
+        return $a;
+    }
+
+    public static function castDocumentType(\DOMDocumentType $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'name' => $dom->name,
+            'entities' => $dom->entities,
+            'notations' => $dom->notations,
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+            'internalSubset' => $dom->internalSubset,
+        );
+
+        return $a;
+    }
+
+    public static function castNotation(\DOMNotation $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+        );
+
+        return $a;
+    }
+
+    public static function castEntity(\DOMEntity $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+            'notationName' => $dom->notationName,
+            'actualEncoding' => $dom->actualEncoding,
+            'encoding' => $dom->encoding,
+            'version' => $dom->version,
+        );
+
+        return $a;
+    }
+
+    public static function castProcessingInstruction(\DOMProcessingInstruction $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'target' => $dom->target,
+            'data' => $dom->data,
+        );
+
+        return $a;
+    }
+
+    public static function castXPath(\DOMXPath $dom, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            'document' => $dom->document,
+        );
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/DateCaster.php

@@ -0,0 +1,129 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts DateTimeInterface related classes to array representation.
+ *
+ * @author Dany Maillard <danymaillard93b@gmail.com>
+ */
+class DateCaster
+{
+    public static function castDateTime(\DateTimeInterface $d, array $a, Stub $stub, $isNested, $filter)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $location = $d->getTimezone()->getLocation();
+        $fromNow = (new \DateTime())->diff($d);
+
+        $title = $d->format('l, F j, Y')
+            ."\n".self::formatInterval($fromNow).' from now'
+            .($location ? ($d->format('I') ? "\nDST On" : "\nDST Off") : '')
+        ;
+
+        $a = array();
+        $a[$prefix.'date'] = new ConstStub(self::formatDateTime($d, $location ? ' e (P)' : ' P'), $title);
+
+        $stub->class .= $d->format(' @U');
+
+        return $a;
+    }
+
+    public static function castInterval(\DateInterval $interval, array $a, Stub $stub, $isNested, $filter)
+    {
+        $now = new \DateTimeImmutable();
+        $numberOfSeconds = $now->add($interval)->getTimestamp() - $now->getTimestamp();
+        $title = number_format($numberOfSeconds, 0, '.', ' ').'s';
+
+        $i = array(Caster::PREFIX_VIRTUAL.'interval' => new ConstStub(self::formatInterval($interval), $title));
+
+        return $filter & Caster::EXCLUDE_VERBOSE ? $i : $i + $a;
+    }
+
+    private static function formatInterval(\DateInterval $i)
+    {
+        $format = '%R ';
+
+        if (0 === $i->y && 0 === $i->m && ($i->h >= 24 || $i->i >= 60 || $i->s >= 60)) {
+            $i = date_diff($d = new \DateTime(), date_add(clone $d, $i)); // recalculate carry over points
+            $format .= 0 < $i->days ? '%ad ' : '';
+        } else {
+            $format .= ($i->y ? '%yy ' : '').($i->m ? '%mm ' : '').($i->d ? '%dd ' : '');
+        }
+
+        if (\PHP_VERSION_ID >= 70100 && isset($i->f)) {
+            $format .= $i->h || $i->i || $i->s || $i->f ? '%H:%I:'.self::formatSeconds($i->s, substr($i->f, 2)) : '';
+        } else {
+            $format .= $i->h || $i->i || $i->s ? '%H:%I:%S' : '';
+        }
+
+        $format = '%R ' === $format ? '0s' : $format;
+
+        return $i->format(rtrim($format));
+    }
+
+    public static function castTimeZone(\DateTimeZone $timeZone, array $a, Stub $stub, $isNested, $filter)
+    {
+        $location = $timeZone->getLocation();
+        $formatted = (new \DateTime('now', $timeZone))->format($location ? 'e (P)' : 'P');
+        $title = $location && extension_loaded('intl') ? \Locale::getDisplayRegion('-'.$location['country_code'], \Locale::getDefault()) : '';
+
+        $z = array(Caster::PREFIX_VIRTUAL.'timezone' => new ConstStub($formatted, $title));
+
+        return $filter & Caster::EXCLUDE_VERBOSE ? $z : $z + $a;
+    }
+
+    public static function castPeriod(\DatePeriod $p, array $a, Stub $stub, $isNested, $filter)
+    {
+        if (defined('HHVM_VERSION_ID') || \PHP_VERSION_ID < 50620 || (\PHP_VERSION_ID >= 70000 && \PHP_VERSION_ID < 70005)) { // see https://bugs.php.net/bug.php?id=71635
+            return $a;
+        }
+
+        $dates = array();
+        if (\PHP_VERSION_ID >= 70107) { // see https://bugs.php.net/bug.php?id=74639
+            foreach (clone $p as $i => $d) {
+                if (3 === $i) {
+                    $now = new \DateTimeImmutable();
+                    $dates[] = sprintf('%s more', ($end = $p->getEndDate())
+                        ? ceil(($end->format('U.u') - $d->format('U.u')) / ($now->add($p->getDateInterval())->format('U.u') - $now->format('U.u')))
+                        : $p->recurrences - $i
+                    );
+                    break;
+                }
+                $dates[] = sprintf('%s) %s', $i + 1, self::formatDateTime($d));
+            }
+        }
+
+        $period = sprintf(
+            'every %s, from %s (%s) %s',
+            self::formatInterval($p->getDateInterval()),
+            self::formatDateTime($p->getStartDate()),
+            $p->include_start_date ? 'included' : 'excluded',
+            ($end = $p->getEndDate()) ? 'to '.self::formatDateTime($end) : 'recurring '.$p->recurrences.' time/s'
+        );
+
+        $p = array(Caster::PREFIX_VIRTUAL.'period' => new ConstStub($period, implode("\n", $dates)));
+
+        return $filter & Caster::EXCLUDE_VERBOSE ? $p : $p + $a;
+    }
+
+    private static function formatDateTime(\DateTimeInterface $d, $extra = '')
+    {
+        return $d->format('Y-m-d H:i:'.self::formatSeconds($d->format('s'), $d->format('u')).$extra);
+    }
+
+    private static function formatSeconds($s, $us)
+    {
+        return sprintf('%02d.%s', $s, 0 === ($len = strlen($t = rtrim($us, '0'))) ? '0' : ($len <= 3 ? str_pad($t, 3, '0') : $us));
+    }
+}

vendor/symfony/var-dumper/Caster/DoctrineCaster.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Doctrine\Common\Proxy\Proxy as CommonProxy;
+use Doctrine\ORM\Proxy\Proxy as OrmProxy;
+use Doctrine\ORM\PersistentCollection;
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts Doctrine related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DoctrineCaster
+{
+    public static function castCommonProxy(CommonProxy $proxy, array $a, Stub $stub, $isNested)
+    {
+        foreach (array('__cloner__', '__initializer__') as $k) {
+            if (array_key_exists($k, $a)) {
+                unset($a[$k]);
+                ++$stub->cut;
+            }
+        }
+
+        return $a;
+    }
+
+    public static function castOrmProxy(OrmProxy $proxy, array $a, Stub $stub, $isNested)
+    {
+        foreach (array('_entityPersister', '_identifier') as $k) {
+            if (array_key_exists($k = "\0Doctrine\\ORM\\Proxy\\Proxy\0".$k, $a)) {
+                unset($a[$k]);
+                ++$stub->cut;
+            }
+        }
+
+        return $a;
+    }
+
+    public static function castPersistentCollection(PersistentCollection $coll, array $a, Stub $stub, $isNested)
+    {
+        foreach (array('snapshot', 'association', 'typeClass') as $k) {
+            if (array_key_exists($k = "\0Doctrine\\ORM\\PersistentCollection\0".$k, $a)) {
+                $a[$k] = new CutStub($a[$k]);
+            }
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/EnumStub.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents an enumeration of values.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class EnumStub extends Stub
+{
+    public $dumpKeys = true;
+
+    public function __construct(array $values, $dumpKeys = true)
+    {
+        $this->value = $values;
+        $this->dumpKeys = $dumpKeys;
+    }
+}

vendor/symfony/var-dumper/Caster/ExceptionCaster.php

@@ -0,0 +1,349 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\Debug\Exception\SilencedErrorContext;
+use Symfony\Component\VarDumper\Exception\ThrowingCasterException;
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts common Exception classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ExceptionCaster
+{
+    public static $srcContext = 1;
+    public static $traceArgs = true;
+    public static $errorTypes = array(
+        E_DEPRECATED => 'E_DEPRECATED',
+        E_USER_DEPRECATED => 'E_USER_DEPRECATED',
+        E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR',
+        E_ERROR => 'E_ERROR',
+        E_WARNING => 'E_WARNING',
+        E_PARSE => 'E_PARSE',
+        E_NOTICE => 'E_NOTICE',
+        E_CORE_ERROR => 'E_CORE_ERROR',
+        E_CORE_WARNING => 'E_CORE_WARNING',
+        E_COMPILE_ERROR => 'E_COMPILE_ERROR',
+        E_COMPILE_WARNING => 'E_COMPILE_WARNING',
+        E_USER_ERROR => 'E_USER_ERROR',
+        E_USER_WARNING => 'E_USER_WARNING',
+        E_USER_NOTICE => 'E_USER_NOTICE',
+        E_STRICT => 'E_STRICT',
+    );
+
+    private static $framesCache = array();
+
+    public static function castError(\Error $e, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        return self::filterExceptionArray($stub->class, $a, "\0Error\0", $filter);
+    }
+
+    public static function castException(\Exception $e, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        return self::filterExceptionArray($stub->class, $a, "\0Exception\0", $filter);
+    }
+
+    public static function castErrorException(\ErrorException $e, array $a, Stub $stub, $isNested)
+    {
+        if (isset($a[$s = Caster::PREFIX_PROTECTED.'severity'], self::$errorTypes[$a[$s]])) {
+            $a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]);
+        }
+
+        return $a;
+    }
+
+    public static function castThrowingCasterException(ThrowingCasterException $e, array $a, Stub $stub, $isNested)
+    {
+        $trace = Caster::PREFIX_VIRTUAL.'trace';
+        $prefix = Caster::PREFIX_PROTECTED;
+        $xPrefix = "\0Exception\0";
+
+        if (isset($a[$xPrefix.'previous'], $a[$trace]) && $a[$xPrefix.'previous'] instanceof \Exception) {
+            $b = (array) $a[$xPrefix.'previous'];
+            self::traceUnshift($b[$xPrefix.'trace'], get_class($a[$xPrefix.'previous']), $b[$prefix.'file'], $b[$prefix.'line']);
+            $a[$trace] = new TraceStub($b[$xPrefix.'trace'], false, 0, -count($a[$trace]->value));
+        }
+
+        unset($a[$xPrefix.'previous'], $a[$prefix.'code'], $a[$prefix.'file'], $a[$prefix.'line']);
+
+        return $a;
+    }
+
+    public static function castSilencedErrorContext(SilencedErrorContext $e, array $a, Stub $stub, $isNested)
+    {
+        $sPrefix = "\0".SilencedErrorContext::class."\0";
+
+        if (!isset($a[$s = $sPrefix.'severity'])) {
+            return $a;
+        }
+
+        if (isset(self::$errorTypes[$a[$s]])) {
+            $a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]);
+        }
+
+        $trace = array(array(
+            'file' => $a[$sPrefix.'file'],
+            'line' => $a[$sPrefix.'line'],
+        ));
+
+        if (isset($a[$sPrefix.'trace'])) {
+            $trace = array_merge($trace, $a[$sPrefix.'trace']);
+        }
+
+        unset($a[$sPrefix.'file'], $a[$sPrefix.'line'], $a[$sPrefix.'trace']);
+        $a[Caster::PREFIX_VIRTUAL.'trace'] = new TraceStub($trace, self::$traceArgs);
+
+        return $a;
+    }
+
+    public static function castTraceStub(TraceStub $trace, array $a, Stub $stub, $isNested)
+    {
+        if (!$isNested) {
+            return $a;
+        }
+        $stub->class = '';
+        $stub->handle = 0;
+        $frames = $trace->value;
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a = array();
+        $j = count($frames);
+        if (0 > $i = $trace->sliceOffset) {
+            $i = max(0, $j + $i);
+        }
+        if (!isset($trace->value[$i])) {
+            return array();
+        }
+        $lastCall = isset($frames[$i]['function']) ? (isset($frames[$i]['class']) ? $frames[0]['class'].$frames[$i]['type'] : '').$frames[$i]['function'].'()' : '';
+        $frames[] = array('function' => '');
+        $collapse = false;
+
+        for ($j += $trace->numberingOffset - $i++; isset($frames[$i]); ++$i, --$j) {
+            $f = $frames[$i];
+            $call = isset($f['function']) ? (isset($f['class']) ? $f['class'].$f['type'] : '').$f['function'] : '???';
+
+            $frame = new FrameStub(
+                array(
+                    'object' => isset($f['object']) ? $f['object'] : null,
+                    'class' => isset($f['class']) ? $f['class'] : null,
+                    'type' => isset($f['type']) ? $f['type'] : null,
+                    'function' => isset($f['function']) ? $f['function'] : null,
+                ) + $frames[$i - 1],
+                false,
+                true
+            );
+            $f = self::castFrameStub($frame, array(), $frame, true);
+            if (isset($f[$prefix.'src'])) {
+                foreach ($f[$prefix.'src']->value as $label => $frame) {
+                    if (0 === strpos($label, "\0~collapse=0")) {
+                        if ($collapse) {
+                            $label = substr_replace($label, '1', 11, 1);
+                        } else {
+                            $collapse = true;
+                        }
+                    }
+                    $label = substr_replace($label, "title=Stack level $j.&", 2, 0);
+                }
+                $f = $frames[$i - 1];
+                if ($trace->keepArgs && !empty($f['args']) && $frame instanceof EnumStub) {
+                    $frame->value['arguments'] = new ArgsStub($f['args'], isset($f['function']) ? $f['function'] : null, isset($f['class']) ? $f['class'] : null);
+                }
+            } elseif ('???' !== $lastCall) {
+                $label = new ClassStub($lastCall);
+                if (isset($label->attr['ellipsis'])) {
+                    $label->attr['ellipsis'] += 2;
+                    $label = substr_replace($prefix, "ellipsis-type=class&ellipsis={$label->attr['ellipsis']}&ellipsis-tail=1&title=Stack level $j.", 2, 0).$label->value.'()';
+                } else {
+                    $label = substr_replace($prefix, "title=Stack level $j.", 2, 0).$label->value.'()';
+                }
+            } else {
+                $label = substr_replace($prefix, "title=Stack level $j.", 2, 0).$lastCall;
+            }
+            $a[substr_replace($label, sprintf('separator=%s&', $frame instanceof EnumStub ? ' ' : ':'), 2, 0)] = $frame;
+
+            $lastCall = $call;
+        }
+        if (null !== $trace->sliceLength) {
+            $a = array_slice($a, 0, $trace->sliceLength, true);
+        }
+
+        return $a;
+    }
+
+    public static function castFrameStub(FrameStub $frame, array $a, Stub $stub, $isNested)
+    {
+        if (!$isNested) {
+            return $a;
+        }
+        $f = $frame->value;
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        if (isset($f['file'], $f['line'])) {
+            $cacheKey = $f;
+            unset($cacheKey['object'], $cacheKey['args']);
+            $cacheKey[] = self::$srcContext;
+            $cacheKey = implode('-', $cacheKey);
+
+            if (isset(self::$framesCache[$cacheKey])) {
+                $a[$prefix.'src'] = self::$framesCache[$cacheKey];
+            } else {
+                if (preg_match('/\((\d+)\)(?:\([\da-f]{32}\))? : (?:eval\(\)\'d code|runtime-created function)$/', $f['file'], $match)) {
+                    $f['file'] = substr($f['file'], 0, -strlen($match[0]));
+                    $f['line'] = (int) $match[1];
+                }
+                $caller = isset($f['function']) ? sprintf('in %s() on line %d', (isset($f['class']) ? $f['class'].$f['type'] : '').$f['function'], $f['line']) : null;
+                $src = $f['line'];
+                $srcKey = $f['file'];
+                $ellipsis = new LinkStub($srcKey, 0);
+                $srcAttr = 'collapse='.(int) $ellipsis->inVendor;
+                $ellipsisTail = isset($ellipsis->attr['ellipsis-tail']) ? $ellipsis->attr['ellipsis-tail'] : 0;
+                $ellipsis = isset($ellipsis->attr['ellipsis']) ? $ellipsis->attr['ellipsis'] : 0;
+
+                if (file_exists($f['file']) && 0 <= self::$srcContext) {
+                    if (!empty($f['class']) && (is_subclass_of($f['class'], 'Twig\Template') || is_subclass_of($f['class'], 'Twig_Template')) && method_exists($f['class'], 'getDebugInfo')) {
+                        $template = isset($f['object']) ? $f['object'] : unserialize(sprintf('O:%d:"%s":0:{}', strlen($f['class']), $f['class']));
+
+                        $ellipsis = 0;
+                        $templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : '');
+                        $templateInfo = $template->getDebugInfo();
+                        if (isset($templateInfo[$f['line']])) {
+                            if (!method_exists($template, 'getSourceContext') || !file_exists($templatePath = $template->getSourceContext()->getPath())) {
+                                $templatePath = null;
+                            }
+                            if ($templateSrc) {
+                                $src = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext, $caller, 'twig', $templatePath);
+                                $srcKey = ($templatePath ?: $template->getTemplateName()).':'.$templateInfo[$f['line']];
+                            }
+                        }
+                    }
+                    if ($srcKey == $f['file']) {
+                        $src = self::extractSource(file_get_contents($f['file']), $f['line'], self::$srcContext, $caller, 'php', $f['file']);
+                        $srcKey .= ':'.$f['line'];
+                        if ($ellipsis) {
+                            $ellipsis += 1 + strlen($f['line']);
+                        }
+                    }
+                    $srcAttr .= '&separator= ';
+                } else {
+                    $srcAttr .= '&separator=:';
+                }
+                $srcAttr .= $ellipsis ? '&ellipsis-type=path&ellipsis='.$ellipsis.'&ellipsis-tail='.$ellipsisTail : '';
+                self::$framesCache[$cacheKey] = $a[$prefix.'src'] = new EnumStub(array("\0~$srcAttr\0$srcKey" => $src));
+            }
+        }
+
+        unset($a[$prefix.'args'], $a[$prefix.'line'], $a[$prefix.'file']);
+        if ($frame->inTraceStub) {
+            unset($a[$prefix.'class'], $a[$prefix.'type'], $a[$prefix.'function']);
+        }
+        foreach ($a as $k => $v) {
+            if (!$v) {
+                unset($a[$k]);
+            }
+        }
+        if ($frame->keepArgs && !empty($f['args'])) {
+            $a[$prefix.'arguments'] = new ArgsStub($f['args'], $f['function'], $f['class']);
+        }
+
+        return $a;
+    }
+
+    private static function filterExceptionArray($xClass, array $a, $xPrefix, $filter)
+    {
+        if (isset($a[$xPrefix.'trace'])) {
+            $trace = $a[$xPrefix.'trace'];
+            unset($a[$xPrefix.'trace']); // Ensures the trace is always last
+        } else {
+            $trace = array();
+        }
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE) && $trace) {
+            if (isset($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line'])) {
+                self::traceUnshift($trace, $xClass, $a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line']);
+            }
+            $a[Caster::PREFIX_VIRTUAL.'trace'] = new TraceStub($trace, self::$traceArgs);
+        }
+        if (empty($a[$xPrefix.'previous'])) {
+            unset($a[$xPrefix.'previous']);
+        }
+        unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message'], $a[Caster::PREFIX_DYNAMIC.'__destructorException']);
+
+        if (isset($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line'])) {
+            $a[Caster::PREFIX_PROTECTED.'file'] = new LinkStub($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line']);
+        }
+
+        return $a;
+    }
+
+    private static function traceUnshift(&$trace, $class, $file, $line)
+    {
+        if (isset($trace[0]['file'], $trace[0]['line']) && $trace[0]['file'] === $file && $trace[0]['line'] === $line) {
+            return;
+        }
+        array_unshift($trace, array(
+            'function' => $class ? 'new '.$class : null,
+            'file' => $file,
+            'line' => $line,
+        ));
+    }
+
+    private static function extractSource($srcLines, $line, $srcContext, $title, $lang, $file = null)
+    {
+        $srcLines = explode("\n", $srcLines);
+        $src = array();
+
+        for ($i = $line - 1 - $srcContext; $i <= $line - 1 + $srcContext; ++$i) {
+            $src[] = (isset($srcLines[$i]) ? $srcLines[$i] : '')."\n";
+        }
+
+        $srcLines = array();
+        $ltrim = 0;
+        do {
+            $pad = null;
+            for ($i = $srcContext << 1; $i >= 0; --$i) {
+                if (isset($src[$i][$ltrim]) && "\r" !== ($c = $src[$i][$ltrim]) && "\n" !== $c) {
+                    if (null === $pad) {
+                        $pad = $c;
+                    }
+                    if ((' ' !== $c && "\t" !== $c) || $pad !== $c) {
+                        break;
+                    }
+                }
+            }
+            ++$ltrim;
+        } while (0 > $i && null !== $pad);
+
+        --$ltrim;
+
+        foreach ($src as $i => $c) {
+            if ($ltrim) {
+                $c = isset($c[$ltrim]) && "\r" !== $c[$ltrim] ? substr($c, $ltrim) : ltrim($c, " \t");
+            }
+            $c = substr($c, 0, -1);
+            if ($i !== $srcContext) {
+                $c = new ConstStub('default', $c);
+            } else {
+                $c = new ConstStub($c, $title);
+                if (null !== $file) {
+                    $c->attr['file'] = $file;
+                    $c->attr['line'] = $line;
+                }
+            }
+            $c->attr['lang'] = $lang;
+            $srcLines[sprintf("\0~separator=› &%d\0", $i + $line - $srcContext)] = $c;
+        }
+
+        return new EnumStub($srcLines);
+    }
+}

vendor/symfony/var-dumper/Caster/FrameStub.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a single backtrace frame as returned by debug_backtrace() or Exception->getTrace().
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class FrameStub extends EnumStub
+{
+    public $keepArgs;
+    public $inTraceStub;
+
+    public function __construct(array $frame, $keepArgs = true, $inTraceStub = false)
+    {
+        $this->value = $frame;
+        $this->keepArgs = $keepArgs;
+        $this->inTraceStub = $inTraceStub;
+    }
+}

vendor/symfony/var-dumper/Caster/LinkStub.php

@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a file or a URL.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class LinkStub extends ConstStub
+{
+    public $inVendor = false;
+
+    private static $vendorRoots;
+    private static $composerRoots;
+
+    public function __construct($label, $line = 0, $href = null)
+    {
+        $this->value = $label;
+
+        if (null === $href) {
+            $href = $label;
+        }
+        if (!is_string($href)) {
+            return;
+        }
+        if (0 === strpos($href, 'file://')) {
+            if ($href === $label) {
+                $label = substr($label, 7);
+            }
+            $href = substr($href, 7);
+        } elseif (false !== strpos($href, '://')) {
+            $this->attr['href'] = $href;
+
+            return;
+        }
+        if (!file_exists($href)) {
+            return;
+        }
+        if ($line) {
+            $this->attr['line'] = $line;
+        }
+        if ($label !== $this->attr['file'] = realpath($href) ?: $href) {
+            return;
+        }
+        if ($composerRoot = $this->getComposerRoot($href, $this->inVendor)) {
+            $this->attr['ellipsis'] = strlen($href) - strlen($composerRoot) + 1;
+            $this->attr['ellipsis-type'] = 'path';
+            $this->attr['ellipsis-tail'] = 1 + ($this->inVendor ? 2 + strlen(implode(array_slice(explode(DIRECTORY_SEPARATOR, substr($href, 1 - $this->attr['ellipsis'])), 0, 2))) : 0);
+        } elseif (3 < count($ellipsis = explode(DIRECTORY_SEPARATOR, $href))) {
+            $this->attr['ellipsis'] = 2 + strlen(implode(array_slice($ellipsis, -2)));
+            $this->attr['ellipsis-type'] = 'path';
+            $this->attr['ellipsis-tail'] = 1;
+        }
+    }
+
+    private function getComposerRoot($file, &$inVendor)
+    {
+        if (null === self::$vendorRoots) {
+            self::$vendorRoots = array();
+
+            foreach (get_declared_classes() as $class) {
+                if ('C' === $class[0] && 0 === strpos($class, 'ComposerAutoloaderInit')) {
+                    $r = new \ReflectionClass($class);
+                    $v = dirname(dirname($r->getFileName()));
+                    if (file_exists($v.'/composer/installed.json')) {
+                        self::$vendorRoots[] = $v.DIRECTORY_SEPARATOR;
+                    }
+                }
+            }
+        }
+        $inVendor = false;
+
+        if (isset(self::$composerRoots[$dir = dirname($file)])) {
+            return self::$composerRoots[$dir];
+        }
+
+        foreach (self::$vendorRoots as $root) {
+            if ($inVendor = 0 === strpos($file, $root)) {
+                return $root;
+            }
+        }
+
+        $parent = $dir;
+        while (!@file_exists($parent.'/composer.json')) {
+            if (!@file_exists($parent)) {
+                // open_basedir restriction in effect
+                break;
+            }
+            if ($parent === dirname($parent)) {
+                return self::$composerRoots[$dir] = false;
+            }
+
+            $parent = dirname($parent);
+        }
+
+        return self::$composerRoots[$dir] = $parent.DIRECTORY_SEPARATOR;
+    }
+}

vendor/symfony/var-dumper/Caster/MongoCaster.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+@trigger_error('The '.__NAMESPACE__.'\MongoCaster class is deprecated since Symfony 3.4 and will be removed in 4.0.', E_USER_DEPRECATED);
+
+/**
+ * Casts classes from the MongoDb extension to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @deprecated since version 3.4, to be removed in 4.0.
+ */
+class MongoCaster
+{
+    public static function castCursor(\MongoCursorInterface $cursor, array $a, Stub $stub, $isNested)
+    {
+        if ($info = $cursor->info()) {
+            foreach ($info as $k => $v) {
+                $a[Caster::PREFIX_VIRTUAL.$k] = $v;
+            }
+        }
+        $a[Caster::PREFIX_VIRTUAL.'dead'] = $cursor->dead();
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/PdoCaster.php

@@ -0,0 +1,120 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts PDO related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class PdoCaster
+{
+    private static $pdoAttributes = array(
+        'CASE' => array(
+            \PDO::CASE_LOWER => 'LOWER',
+            \PDO::CASE_NATURAL => 'NATURAL',
+            \PDO::CASE_UPPER => 'UPPER',
+        ),
+        'ERRMODE' => array(
+            \PDO::ERRMODE_SILENT => 'SILENT',
+            \PDO::ERRMODE_WARNING => 'WARNING',
+            \PDO::ERRMODE_EXCEPTION => 'EXCEPTION',
+        ),
+        'TIMEOUT',
+        'PREFETCH',
+        'AUTOCOMMIT',
+        'PERSISTENT',
+        'DRIVER_NAME',
+        'SERVER_INFO',
+        'ORACLE_NULLS' => array(
+            \PDO::NULL_NATURAL => 'NATURAL',
+            \PDO::NULL_EMPTY_STRING => 'EMPTY_STRING',
+            \PDO::NULL_TO_STRING => 'TO_STRING',
+        ),
+        'CLIENT_VERSION',
+        'SERVER_VERSION',
+        'STATEMENT_CLASS',
+        'EMULATE_PREPARES',
+        'CONNECTION_STATUS',
+        'STRINGIFY_FETCHES',
+        'DEFAULT_FETCH_MODE' => array(
+            \PDO::FETCH_ASSOC => 'ASSOC',
+            \PDO::FETCH_BOTH => 'BOTH',
+            \PDO::FETCH_LAZY => 'LAZY',
+            \PDO::FETCH_NUM => 'NUM',
+            \PDO::FETCH_OBJ => 'OBJ',
+        ),
+    );
+
+    public static function castPdo(\PDO $c, array $a, Stub $stub, $isNested)
+    {
+        $attr = array();
+        $errmode = $c->getAttribute(\PDO::ATTR_ERRMODE);
+        $c->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
+
+        foreach (self::$pdoAttributes as $k => $v) {
+            if (!isset($k[0])) {
+                $k = $v;
+                $v = array();
+            }
+
+            try {
+                $attr[$k] = 'ERRMODE' === $k ? $errmode : $c->getAttribute(constant('PDO::ATTR_'.$k));
+                if ($v && isset($v[$attr[$k]])) {
+                    $attr[$k] = new ConstStub($v[$attr[$k]], $attr[$k]);
+                }
+            } catch (\Exception $e) {
+            }
+        }
+        if (isset($attr[$k = 'STATEMENT_CLASS'][1])) {
+            if ($attr[$k][1]) {
+                $attr[$k][1] = new ArgsStub($attr[$k][1], '__construct', $attr[$k][0]);
+            }
+            $attr[$k][0] = new ClassStub($attr[$k][0]);
+        }
+
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $a += array(
+            $prefix.'inTransaction' => method_exists($c, 'inTransaction'),
+            $prefix.'errorInfo' => $c->errorInfo(),
+            $prefix.'attributes' => new EnumStub($attr),
+        );
+
+        if ($a[$prefix.'inTransaction']) {
+            $a[$prefix.'inTransaction'] = $c->inTransaction();
+        } else {
+            unset($a[$prefix.'inTransaction']);
+        }
+
+        if (!isset($a[$prefix.'errorInfo'][1], $a[$prefix.'errorInfo'][2])) {
+            unset($a[$prefix.'errorInfo']);
+        }
+
+        $c->setAttribute(\PDO::ATTR_ERRMODE, $errmode);
+
+        return $a;
+    }
+
+    public static function castPdoStatement(\PDOStatement $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $a[$prefix.'errorInfo'] = $c->errorInfo();
+
+        if (!isset($a[$prefix.'errorInfo'][1], $a[$prefix.'errorInfo'][2])) {
+            unset($a[$prefix.'errorInfo']);
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/PgSqlCaster.php

@@ -0,0 +1,154 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts pqsql resources to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class PgSqlCaster
+{
+    private static $paramCodes = array(
+        'server_encoding',
+        'client_encoding',
+        'is_superuser',
+        'session_authorization',
+        'DateStyle',
+        'TimeZone',
+        'IntervalStyle',
+        'integer_datetimes',
+        'application_name',
+        'standard_conforming_strings',
+    );
+
+    private static $transactionStatus = array(
+        PGSQL_TRANSACTION_IDLE => 'PGSQL_TRANSACTION_IDLE',
+        PGSQL_TRANSACTION_ACTIVE => 'PGSQL_TRANSACTION_ACTIVE',
+        PGSQL_TRANSACTION_INTRANS => 'PGSQL_TRANSACTION_INTRANS',
+        PGSQL_TRANSACTION_INERROR => 'PGSQL_TRANSACTION_INERROR',
+        PGSQL_TRANSACTION_UNKNOWN => 'PGSQL_TRANSACTION_UNKNOWN',
+    );
+
+    private static $resultStatus = array(
+        PGSQL_EMPTY_QUERY => 'PGSQL_EMPTY_QUERY',
+        PGSQL_COMMAND_OK => 'PGSQL_COMMAND_OK',
+        PGSQL_TUPLES_OK => 'PGSQL_TUPLES_OK',
+        PGSQL_COPY_OUT => 'PGSQL_COPY_OUT',
+        PGSQL_COPY_IN => 'PGSQL_COPY_IN',
+        PGSQL_BAD_RESPONSE => 'PGSQL_BAD_RESPONSE',
+        PGSQL_NONFATAL_ERROR => 'PGSQL_NONFATAL_ERROR',
+        PGSQL_FATAL_ERROR => 'PGSQL_FATAL_ERROR',
+    );
+
+    private static $diagCodes = array(
+        'severity' => PGSQL_DIAG_SEVERITY,
+        'sqlstate' => PGSQL_DIAG_SQLSTATE,
+        'message' => PGSQL_DIAG_MESSAGE_PRIMARY,
+        'detail' => PGSQL_DIAG_MESSAGE_DETAIL,
+        'hint' => PGSQL_DIAG_MESSAGE_HINT,
+        'statement position' => PGSQL_DIAG_STATEMENT_POSITION,
+        'internal position' => PGSQL_DIAG_INTERNAL_POSITION,
+        'internal query' => PGSQL_DIAG_INTERNAL_QUERY,
+        'context' => PGSQL_DIAG_CONTEXT,
+        'file' => PGSQL_DIAG_SOURCE_FILE,
+        'line' => PGSQL_DIAG_SOURCE_LINE,
+        'function' => PGSQL_DIAG_SOURCE_FUNCTION,
+    );
+
+    public static function castLargeObject($lo, array $a, Stub $stub, $isNested)
+    {
+        $a['seek position'] = pg_lo_tell($lo);
+
+        return $a;
+    }
+
+    public static function castLink($link, array $a, Stub $stub, $isNested)
+    {
+        $a['status'] = pg_connection_status($link);
+        $a['status'] = new ConstStub(PGSQL_CONNECTION_OK === $a['status'] ? 'PGSQL_CONNECTION_OK' : 'PGSQL_CONNECTION_BAD', $a['status']);
+        $a['busy'] = pg_connection_busy($link);
+
+        $a['transaction'] = pg_transaction_status($link);
+        if (isset(self::$transactionStatus[$a['transaction']])) {
+            $a['transaction'] = new ConstStub(self::$transactionStatus[$a['transaction']], $a['transaction']);
+        }
+
+        $a['pid'] = pg_get_pid($link);
+        $a['last error'] = pg_last_error($link);
+        $a['last notice'] = pg_last_notice($link);
+        $a['host'] = pg_host($link);
+        $a['port'] = pg_port($link);
+        $a['dbname'] = pg_dbname($link);
+        $a['options'] = pg_options($link);
+        $a['version'] = pg_version($link);
+
+        foreach (self::$paramCodes as $v) {
+            if (false !== $s = pg_parameter_status($link, $v)) {
+                $a['param'][$v] = $s;
+            }
+        }
+
+        $a['param']['client_encoding'] = pg_client_encoding($link);
+        $a['param'] = new EnumStub($a['param']);
+
+        return $a;
+    }
+
+    public static function castResult($result, array $a, Stub $stub, $isNested)
+    {
+        $a['num rows'] = pg_num_rows($result);
+        $a['status'] = pg_result_status($result);
+        if (isset(self::$resultStatus[$a['status']])) {
+            $a['status'] = new ConstStub(self::$resultStatus[$a['status']], $a['status']);
+        }
+        $a['command-completion tag'] = pg_result_status($result, PGSQL_STATUS_STRING);
+
+        if (-1 === $a['num rows']) {
+            foreach (self::$diagCodes as $k => $v) {
+                $a['error'][$k] = pg_result_error_field($result, $v);
+            }
+        }
+
+        $a['affected rows'] = pg_affected_rows($result);
+        $a['last OID'] = pg_last_oid($result);
+
+        $fields = pg_num_fields($result);
+
+        for ($i = 0; $i < $fields; ++$i) {
+            $field = array(
+                'name' => pg_field_name($result, $i),
+                'table' => sprintf('%s (OID: %s)', pg_field_table($result, $i), pg_field_table($result, $i, true)),
+                'type' => sprintf('%s (OID: %s)', pg_field_type($result, $i), pg_field_type_oid($result, $i)),
+                'nullable' => (bool) pg_field_is_null($result, $i),
+                'storage' => pg_field_size($result, $i).' bytes',
+                'display' => pg_field_prtlen($result, $i).' chars',
+            );
+            if (' (OID: )' === $field['table']) {
+                $field['table'] = null;
+            }
+            if ('-1 bytes' === $field['storage']) {
+                $field['storage'] = 'variable size';
+            } elseif ('1 bytes' === $field['storage']) {
+                $field['storage'] = '1 byte';
+            }
+            if ('1 chars' === $field['display']) {
+                $field['display'] = '1 char';
+            }
+            $a['fields'][] = new EnumStub($field);
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/RedisCaster.php

@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts Redis class from ext-redis to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class RedisCaster
+{
+    private static $serializer = array(
+        \Redis::SERIALIZER_NONE => 'NONE',
+        \Redis::SERIALIZER_PHP => 'PHP',
+        2 => 'IGBINARY', // Optional Redis::SERIALIZER_IGBINARY
+    );
+
+    public static function castRedis(\Redis $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        if (defined('HHVM_VERSION_ID')) {
+            if (isset($a[Caster::PREFIX_PROTECTED.'serializer'])) {
+                $ser = $a[Caster::PREFIX_PROTECTED.'serializer'];
+                $a[Caster::PREFIX_PROTECTED.'serializer'] = isset(self::$serializer[$ser]) ? new ConstStub(self::$serializer[$ser], $ser) : $ser;
+            }
+
+            return $a;
+        }
+
+        if (!$connected = $c->isConnected()) {
+            return $a + array(
+                $prefix.'isConnected' => $connected,
+            );
+        }
+
+        $ser = $c->getOption(\Redis::OPT_SERIALIZER);
+        $retry = defined('Redis::OPT_SCAN') ? $c->getOption(\Redis::OPT_SCAN) : 0;
+
+        return $a + array(
+            $prefix.'isConnected' => $connected,
+            $prefix.'host' => $c->getHost(),
+            $prefix.'port' => $c->getPort(),
+            $prefix.'auth' => $c->getAuth(),
+            $prefix.'dbNum' => $c->getDbNum(),
+            $prefix.'timeout' => $c->getTimeout(),
+            $prefix.'persistentId' => $c->getPersistentID(),
+            $prefix.'options' => new EnumStub(array(
+                'READ_TIMEOUT' => $c->getOption(\Redis::OPT_READ_TIMEOUT),
+                'SERIALIZER' => isset(self::$serializer[$ser]) ? new ConstStub(self::$serializer[$ser], $ser) : $ser,
+                'PREFIX' => $c->getOption(\Redis::OPT_PREFIX),
+                'SCAN' => new ConstStub($retry ? 'RETRY' : 'NORETRY', $retry),
+            )),
+        );
+    }
+
+    public static function castRedisArray(\RedisArray $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        return $a + array(
+            $prefix.'hosts' => $c->_hosts(),
+            $prefix.'function' => ClassStub::wrapCallable($c->_function()),
+        );
+    }
+}

vendor/symfony/var-dumper/Caster/ReflectionCaster.php

@@ -0,0 +1,336 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts Reflector related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ReflectionCaster
+{
+    private static $extraMap = array(
+        'docComment' => 'getDocComment',
+        'extension' => 'getExtensionName',
+        'isDisabled' => 'isDisabled',
+        'isDeprecated' => 'isDeprecated',
+        'isInternal' => 'isInternal',
+        'isUserDefined' => 'isUserDefined',
+        'isGenerator' => 'isGenerator',
+        'isVariadic' => 'isVariadic',
+    );
+
+    public static function castClosure(\Closure $c, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $c = new \ReflectionFunction($c);
+
+        $stub->class = 'Closure'; // HHVM generates unique class names for closures
+        $a = static::castFunctionAbstract($c, $a, $stub, $isNested, $filter);
+
+        if (isset($a[$prefix.'parameters'])) {
+            foreach ($a[$prefix.'parameters']->value as &$v) {
+                $param = $v;
+                $v = new EnumStub(array());
+                foreach (static::castParameter($param, array(), $stub, true) as $k => $param) {
+                    if ("\0" === $k[0]) {
+                        $v->value[substr($k, 3)] = $param;
+                    }
+                }
+                unset($v->value['position'], $v->value['isVariadic'], $v->value['byReference'], $v);
+            }
+        }
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE) && $f = $c->getFileName()) {
+            $a[$prefix.'file'] = new LinkStub($f, $c->getStartLine());
+            $a[$prefix.'line'] = $c->getStartLine().' to '.$c->getEndLine();
+        }
+
+        $prefix = Caster::PREFIX_DYNAMIC;
+        unset($a['name'], $a[$prefix.'this'], $a[$prefix.'parameter'], $a[Caster::PREFIX_VIRTUAL.'extra']);
+
+        return $a;
+    }
+
+    public static function castGenerator(\Generator $c, array $a, Stub $stub, $isNested)
+    {
+        if (!class_exists('ReflectionGenerator', false)) {
+            return $a;
+        }
+
+        // Cannot create ReflectionGenerator based on a terminated Generator
+        try {
+            $reflectionGenerator = new \ReflectionGenerator($c);
+        } catch (\Exception $e) {
+            $a[Caster::PREFIX_VIRTUAL.'closed'] = true;
+
+            return $a;
+        }
+
+        return self::castReflectionGenerator($reflectionGenerator, $a, $stub, $isNested);
+    }
+
+    public static function castType(\ReflectionType $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += array(
+            $prefix.'name' => $c instanceof \ReflectionNamedType ? $c->getName() : $c->__toString(),
+            $prefix.'allowsNull' => $c->allowsNull(),
+            $prefix.'isBuiltin' => $c->isBuiltin(),
+        );
+
+        return $a;
+    }
+
+    public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        if ($c->getThis()) {
+            $a[$prefix.'this'] = new CutStub($c->getThis());
+        }
+        $function = $c->getFunction();
+        $frame = array(
+            'class' => isset($function->class) ? $function->class : null,
+            'type' => isset($function->class) ? ($function->isStatic() ? '::' : '->') : null,
+            'function' => $function->name,
+            'file' => $c->getExecutingFile(),
+            'line' => $c->getExecutingLine(),
+        );
+        if ($trace = $c->getTrace(DEBUG_BACKTRACE_IGNORE_ARGS)) {
+            $function = new \ReflectionGenerator($c->getExecutingGenerator());
+            array_unshift($trace, array(
+                'function' => 'yield',
+                'file' => $function->getExecutingFile(),
+                'line' => $function->getExecutingLine() - 1,
+            ));
+            $trace[] = $frame;
+            $a[$prefix.'trace'] = new TraceStub($trace, false, 0, -1, -1);
+        } else {
+            $function = new FrameStub($frame, false, true);
+            $function = ExceptionCaster::castFrameStub($function, array(), $function, true);
+            $a[$prefix.'executing'] = new EnumStub(array(
+                "\0~separator= \0".$frame['class'].$frame['type'].$frame['function'].'()' => $function[$prefix.'src'],
+            ));
+        }
+
+        $a[Caster::PREFIX_VIRTUAL.'closed'] = false;
+
+        return $a;
+    }
+
+    public static function castClass(\ReflectionClass $c, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        if ($n = \Reflection::getModifierNames($c->getModifiers())) {
+            $a[$prefix.'modifiers'] = implode(' ', $n);
+        }
+
+        self::addMap($a, $c, array(
+            'extends' => 'getParentClass',
+            'implements' => 'getInterfaceNames',
+            'constants' => 'getConstants',
+        ));
+
+        foreach ($c->getProperties() as $n) {
+            $a[$prefix.'properties'][$n->name] = $n;
+        }
+
+        foreach ($c->getMethods() as $n) {
+            $a[$prefix.'methods'][$n->name] = $n;
+        }
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
+            self::addExtra($a, $c);
+        }
+
+        return $a;
+    }
+
+    public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, array $a, Stub $stub, $isNested, $filter = 0)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        self::addMap($a, $c, array(
+            'returnsReference' => 'returnsReference',
+            'returnType' => 'getReturnType',
+            'class' => 'getClosureScopeClass',
+            'this' => 'getClosureThis',
+        ));
+
+        if (isset($a[$prefix.'returnType'])) {
+            $v = $a[$prefix.'returnType'];
+            $v = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
+            $a[$prefix.'returnType'] = new ClassStub($a[$prefix.'returnType']->allowsNull() ? '?'.$v : $v, array(class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', ''));
+        }
+        if (isset($a[$prefix.'class'])) {
+            $a[$prefix.'class'] = new ClassStub($a[$prefix.'class']);
+        }
+        if (isset($a[$prefix.'this'])) {
+            $a[$prefix.'this'] = new CutStub($a[$prefix.'this']);
+        }
+
+        foreach ($c->getParameters() as $v) {
+            $k = '$'.$v->name;
+            if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
+                $k = '...'.$k;
+            }
+            if ($v->isPassedByReference()) {
+                $k = '&'.$k;
+            }
+            $a[$prefix.'parameters'][$k] = $v;
+        }
+        if (isset($a[$prefix.'parameters'])) {
+            $a[$prefix.'parameters'] = new EnumStub($a[$prefix.'parameters']);
+        }
+
+        if ($v = $c->getStaticVariables()) {
+            foreach ($v as $k => &$v) {
+                if (is_object($v)) {
+                    $a[$prefix.'use']['$'.$k] = new CutStub($v);
+                } else {
+                    $a[$prefix.'use']['$'.$k] = &$v;
+                }
+            }
+            unset($v);
+            $a[$prefix.'use'] = new EnumStub($a[$prefix.'use']);
+        }
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
+            self::addExtra($a, $c);
+        }
+
+        // Added by HHVM
+        unset($a[Caster::PREFIX_DYNAMIC.'static']);
+
+        return $a;
+    }
+
+    public static function castMethod(\ReflectionMethod $c, array $a, Stub $stub, $isNested)
+    {
+        $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
+
+        return $a;
+    }
+
+    public static function castParameter(\ReflectionParameter $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        // Added by HHVM
+        unset($a['info']);
+
+        self::addMap($a, $c, array(
+            'position' => 'getPosition',
+            'isVariadic' => 'isVariadic',
+            'byReference' => 'isPassedByReference',
+            'allowsNull' => 'allowsNull',
+        ));
+
+        if (method_exists($c, 'getType')) {
+            if ($v = $c->getType()) {
+                $a[$prefix.'typeHint'] = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
+            }
+        } elseif (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $c, $v)) {
+            $a[$prefix.'typeHint'] = $v[1];
+        }
+
+        if (isset($a[$prefix.'typeHint'])) {
+            $v = $a[$prefix.'typeHint'];
+            $a[$prefix.'typeHint'] = new ClassStub($v, array(class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', ''));
+        } else {
+            unset($a[$prefix.'allowsNull']);
+        }
+
+        try {
+            $a[$prefix.'default'] = $v = $c->getDefaultValue();
+            if (method_exists($c, 'isDefaultValueConstant') && $c->isDefaultValueConstant()) {
+                $a[$prefix.'default'] = new ConstStub($c->getDefaultValueConstantName(), $v);
+            }
+            if (null === $v) {
+                unset($a[$prefix.'allowsNull']);
+            }
+        } catch (\ReflectionException $e) {
+            if (isset($a[$prefix.'typeHint']) && $c->allowsNull() && !class_exists('ReflectionNamedType', false)) {
+                $a[$prefix.'default'] = null;
+                unset($a[$prefix.'allowsNull']);
+            }
+        }
+
+        return $a;
+    }
+
+    public static function castProperty(\ReflectionProperty $c, array $a, Stub $stub, $isNested)
+    {
+        $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
+        self::addExtra($a, $c);
+
+        return $a;
+    }
+
+    public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, $isNested)
+    {
+        self::addMap($a, $c, array(
+            'version' => 'getVersion',
+            'dependencies' => 'getDependencies',
+            'iniEntries' => 'getIniEntries',
+            'isPersistent' => 'isPersistent',
+            'isTemporary' => 'isTemporary',
+            'constants' => 'getConstants',
+            'functions' => 'getFunctions',
+            'classes' => 'getClasses',
+        ));
+
+        return $a;
+    }
+
+    public static function castZendExtension(\ReflectionZendExtension $c, array $a, Stub $stub, $isNested)
+    {
+        self::addMap($a, $c, array(
+            'version' => 'getVersion',
+            'author' => 'getAuthor',
+            'copyright' => 'getCopyright',
+            'url' => 'getURL',
+        ));
+
+        return $a;
+    }
+
+    private static function addExtra(&$a, \Reflector $c)
+    {
+        $x = isset($a[Caster::PREFIX_VIRTUAL.'extra']) ? $a[Caster::PREFIX_VIRTUAL.'extra']->value : array();
+
+        if (method_exists($c, 'getFileName') && $m = $c->getFileName()) {
+            $x['file'] = new LinkStub($m, $c->getStartLine());
+            $x['line'] = $c->getStartLine().' to '.$c->getEndLine();
+        }
+
+        self::addMap($x, $c, self::$extraMap, '');
+
+        if ($x) {
+            $a[Caster::PREFIX_VIRTUAL.'extra'] = new EnumStub($x);
+        }
+    }
+
+    private static function addMap(&$a, \Reflector $c, $map, $prefix = Caster::PREFIX_VIRTUAL)
+    {
+        foreach ($map as $k => $m) {
+            if (method_exists($c, $m) && false !== ($m = $c->$m()) && null !== $m) {
+                $a[$prefix.$k] = $m instanceof \Reflector ? $m->name : $m;
+            }
+        }
+    }
+}

vendor/symfony/var-dumper/Caster/ResourceCaster.php

@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts common resource types to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ResourceCaster
+{
+    public static function castCurl($h, array $a, Stub $stub, $isNested)
+    {
+        return curl_getinfo($h);
+    }
+
+    public static function castDba($dba, array $a, Stub $stub, $isNested)
+    {
+        $list = dba_list();
+        $a['file'] = $list[(int) $dba];
+
+        return $a;
+    }
+
+    public static function castProcess($process, array $a, Stub $stub, $isNested)
+    {
+        return proc_get_status($process);
+    }
+
+    public static function castStream($stream, array $a, Stub $stub, $isNested)
+    {
+        $a = stream_get_meta_data($stream) + static::castStreamContext($stream, $a, $stub, $isNested);
+        if (isset($a['uri'])) {
+            $a['uri'] = new LinkStub($a['uri']);
+        }
+
+        return $a;
+    }
+
+    public static function castStreamContext($stream, array $a, Stub $stub, $isNested)
+    {
+        return @stream_context_get_params($stream) ?: $a;
+    }
+
+    public static function castGd($gd, array $a, Stub $stub, $isNested)
+    {
+        $a['size'] = imagesx($gd).'x'.imagesy($gd);
+        $a['trueColor'] = imageistruecolor($gd);
+
+        return $a;
+    }
+
+    public static function castMysqlLink($h, array $a, Stub $stub, $isNested)
+    {
+        $a['host'] = mysql_get_host_info($h);
+        $a['protocol'] = mysql_get_proto_info($h);
+        $a['server'] = mysql_get_server_info($h);
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/SplCaster.php

@@ -0,0 +1,207 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts SPL related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class SplCaster
+{
+    private static $splFileObjectFlags = array(
+        \SplFileObject::DROP_NEW_LINE => 'DROP_NEW_LINE',
+        \SplFileObject::READ_AHEAD => 'READ_AHEAD',
+        \SplFileObject::SKIP_EMPTY => 'SKIP_EMPTY',
+        \SplFileObject::READ_CSV => 'READ_CSV',
+    );
+
+    public static function castArrayObject(\ArrayObject $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $class = $stub->class;
+        $flags = $c->getFlags();
+
+        $b = array(
+            $prefix.'flag::STD_PROP_LIST' => (bool) ($flags & \ArrayObject::STD_PROP_LIST),
+            $prefix.'flag::ARRAY_AS_PROPS' => (bool) ($flags & \ArrayObject::ARRAY_AS_PROPS),
+            $prefix.'iteratorClass' => new ClassStub($c->getIteratorClass()),
+            $prefix.'storage' => $c->getArrayCopy(),
+        );
+
+        if ('ArrayObject' === $class) {
+            $a = $b;
+        } else {
+            if (!($flags & \ArrayObject::STD_PROP_LIST)) {
+                $c->setFlags(\ArrayObject::STD_PROP_LIST);
+                $a = Caster::castObject($c, $class);
+                $c->setFlags($flags);
+            }
+
+            $a += $b;
+        }
+
+        return $a;
+    }
+
+    public static function castHeap(\Iterator $c, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            Caster::PREFIX_VIRTUAL.'heap' => iterator_to_array(clone $c),
+        );
+
+        return $a;
+    }
+
+    public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+        $mode = $c->getIteratorMode();
+        $c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
+
+        $a += array(
+            $prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' | '.(($mode & \SplDoublyLinkedList::IT_MODE_DELETE) ? 'IT_MODE_DELETE' : 'IT_MODE_KEEP'), $mode),
+            $prefix.'dllist' => iterator_to_array($c),
+        );
+        $c->setIteratorMode($mode);
+
+        return $a;
+    }
+
+    public static function castFileInfo(\SplFileInfo $c, array $a, Stub $stub, $isNested)
+    {
+        static $map = array(
+            'path' => 'getPath',
+            'filename' => 'getFilename',
+            'basename' => 'getBasename',
+            'pathname' => 'getPathname',
+            'extension' => 'getExtension',
+            'realPath' => 'getRealPath',
+            'aTime' => 'getATime',
+            'mTime' => 'getMTime',
+            'cTime' => 'getCTime',
+            'inode' => 'getInode',
+            'size' => 'getSize',
+            'perms' => 'getPerms',
+            'owner' => 'getOwner',
+            'group' => 'getGroup',
+            'type' => 'getType',
+            'writable' => 'isWritable',
+            'readable' => 'isReadable',
+            'executable' => 'isExecutable',
+            'file' => 'isFile',
+            'dir' => 'isDir',
+            'link' => 'isLink',
+            'linkTarget' => 'getLinkTarget',
+        );
+
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        foreach ($map as $key => $accessor) {
+            try {
+                $a[$prefix.$key] = $c->$accessor();
+            } catch (\Exception $e) {
+            }
+        }
+
+        if (isset($a[$prefix.'realPath'])) {
+            $a[$prefix.'realPath'] = new LinkStub($a[$prefix.'realPath']);
+        }
+
+        if (isset($a[$prefix.'perms'])) {
+            $a[$prefix.'perms'] = new ConstStub(sprintf('0%o', $a[$prefix.'perms']), $a[$prefix.'perms']);
+        }
+
+        static $mapDate = array('aTime', 'mTime', 'cTime');
+        foreach ($mapDate as $key) {
+            if (isset($a[$prefix.$key])) {
+                $a[$prefix.$key] = new ConstStub(date('Y-m-d H:i:s', $a[$prefix.$key]), $a[$prefix.$key]);
+            }
+        }
+
+        return $a;
+    }
+
+    public static function castFileObject(\SplFileObject $c, array $a, Stub $stub, $isNested)
+    {
+        static $map = array(
+            'csvControl' => 'getCsvControl',
+            'flags' => 'getFlags',
+            'maxLineLen' => 'getMaxLineLen',
+            'fstat' => 'fstat',
+            'eof' => 'eof',
+            'key' => 'key',
+        );
+
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        foreach ($map as $key => $accessor) {
+            try {
+                $a[$prefix.$key] = $c->$accessor();
+            } catch (\Exception $e) {
+            }
+        }
+
+        if (isset($a[$prefix.'flags'])) {
+            $flagsArray = array();
+            foreach (self::$splFileObjectFlags as $value => $name) {
+                if ($a[$prefix.'flags'] & $value) {
+                    $flagsArray[] = $name;
+                }
+            }
+            $a[$prefix.'flags'] = new ConstStub(implode('|', $flagsArray), $a[$prefix.'flags']);
+        }
+
+        if (isset($a[$prefix.'fstat'])) {
+            $a[$prefix.'fstat'] = new CutArrayStub($a[$prefix.'fstat'], array('dev', 'ino', 'nlink', 'rdev', 'blksize', 'blocks'));
+        }
+
+        return $a;
+    }
+
+    public static function castFixedArray(\SplFixedArray $c, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            Caster::PREFIX_VIRTUAL.'storage' => $c->toArray(),
+        );
+
+        return $a;
+    }
+
+    public static function castObjectStorage(\SplObjectStorage $c, array $a, Stub $stub, $isNested)
+    {
+        $storage = array();
+        unset($a[Caster::PREFIX_DYNAMIC."\0gcdata"]); // Don't hit https://bugs.php.net/65967
+
+        foreach (clone $c as $obj) {
+            $storage[spl_object_hash($obj)] = array(
+                'object' => $obj,
+                'info' => $c->getInfo(),
+             );
+        }
+
+        $a += array(
+            Caster::PREFIX_VIRTUAL.'storage' => $storage,
+        );
+
+        return $a;
+    }
+
+    public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub, $isNested)
+    {
+        $a[Caster::PREFIX_VIRTUAL.'innerIterator'] = $c->getInnerIterator();
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/StubCaster.php

@@ -0,0 +1,82 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts a caster's Stub.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class StubCaster
+{
+    public static function castStub(Stub $c, array $a, Stub $stub, $isNested)
+    {
+        if ($isNested) {
+            $stub->type = $c->type;
+            $stub->class = $c->class;
+            $stub->value = $c->value;
+            $stub->handle = $c->handle;
+            $stub->cut = $c->cut;
+            $stub->attr = $c->attr;
+
+            if (Stub::TYPE_REF === $c->type && !$c->class && is_string($c->value) && !preg_match('//u', $c->value)) {
+                $stub->type = Stub::TYPE_STRING;
+                $stub->class = Stub::STRING_BINARY;
+            }
+
+            $a = array();
+        }
+
+        return $a;
+    }
+
+    public static function castCutArray(CutArrayStub $c, array $a, Stub $stub, $isNested)
+    {
+        return $isNested ? $c->preservedSubset : $a;
+    }
+
+    public static function cutInternals($obj, array $a, Stub $stub, $isNested)
+    {
+        if ($isNested) {
+            $stub->cut += count($a);
+
+            return array();
+        }
+
+        return $a;
+    }
+
+    public static function castEnum(EnumStub $c, array $a, Stub $stub, $isNested)
+    {
+        if ($isNested) {
+            $stub->class = $c->dumpKeys ? '' : null;
+            $stub->handle = 0;
+            $stub->value = null;
+            $stub->cut = $c->cut;
+            $stub->attr = $c->attr;
+
+            $a = array();
+
+            if ($c->value) {
+                foreach (array_keys($c->value) as $k) {
+                    $keys[] = !isset($k[0]) || "\0" !== $k[0] ? Caster::PREFIX_VIRTUAL.$k : $k;
+                }
+                // Preserve references with array_combine()
+                $a = array_combine($keys, $c->value);
+            }
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/SymfonyCaster.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+class SymfonyCaster
+{
+    private static $requestGetters = array(
+        'pathInfo' => 'getPathInfo',
+        'requestUri' => 'getRequestUri',
+        'baseUrl' => 'getBaseUrl',
+        'basePath' => 'getBasePath',
+        'method' => 'getMethod',
+        'format' => 'getRequestFormat',
+    );
+
+    public static function castRequest(Request $request, array $a, Stub $stub, $isNested)
+    {
+        $clone = null;
+
+        foreach (self::$requestGetters as $prop => $getter) {
+            if (null === $a[Caster::PREFIX_PROTECTED.$prop]) {
+                if (null === $clone) {
+                    $clone = clone $request;
+                }
+                $a[Caster::PREFIX_VIRTUAL.$prop] = $clone->{$getter}();
+            }
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Caster/TraceStub.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents a backtrace as returned by debug_backtrace() or Exception->getTrace().
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class TraceStub extends Stub
+{
+    public $keepArgs;
+    public $sliceOffset;
+    public $sliceLength;
+    public $numberingOffset;
+
+    public function __construct(array $trace, $keepArgs = true, $sliceOffset = 0, $sliceLength = null, $numberingOffset = 0)
+    {
+        $this->value = $trace;
+        $this->keepArgs = $keepArgs;
+        $this->sliceOffset = $sliceOffset;
+        $this->sliceLength = $sliceLength;
+        $this->numberingOffset = $numberingOffset;
+    }
+}

vendor/symfony/var-dumper/Caster/XmlReaderCaster.php

@@ -0,0 +1,77 @@
+<?php
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts XmlReader class to array representation.
+ *
+ * @author Baptiste Clavié <clavie.b@gmail.com>
+ */
+class XmlReaderCaster
+{
+    private static $nodeTypes = array(
+        \XMLReader::NONE => 'NONE',
+        \XMLReader::ELEMENT => 'ELEMENT',
+        \XMLReader::ATTRIBUTE => 'ATTRIBUTE',
+        \XMLReader::TEXT => 'TEXT',
+        \XMLReader::CDATA => 'CDATA',
+        \XMLReader::ENTITY_REF => 'ENTITY_REF',
+        \XMLReader::ENTITY => 'ENTITY',
+        \XMLReader::PI => 'PI (Processing Instruction)',
+        \XMLReader::COMMENT => 'COMMENT',
+        \XMLReader::DOC => 'DOC',
+        \XMLReader::DOC_TYPE => 'DOC_TYPE',
+        \XMLReader::DOC_FRAGMENT => 'DOC_FRAGMENT',
+        \XMLReader::NOTATION => 'NOTATION',
+        \XMLReader::WHITESPACE => 'WHITESPACE',
+        \XMLReader::SIGNIFICANT_WHITESPACE => 'SIGNIFICANT_WHITESPACE',
+        \XMLReader::END_ELEMENT => 'END_ELEMENT',
+        \XMLReader::END_ENTITY => 'END_ENTITY',
+        \XMLReader::XML_DECLARATION => 'XML_DECLARATION',
+    );
+
+    public static function castXmlReader(\XMLReader $reader, array $a, Stub $stub, $isNested)
+    {
+        $props = Caster::PREFIX_VIRTUAL.'parserProperties';
+        $info = array(
+            'localName' => $reader->localName,
+            'prefix' => $reader->prefix,
+            'nodeType' => new ConstStub(self::$nodeTypes[$reader->nodeType], $reader->nodeType),
+            'depth' => $reader->depth,
+            'isDefault' => $reader->isDefault,
+            'isEmptyElement' => \XMLReader::NONE === $reader->nodeType ? null : $reader->isEmptyElement,
+            'xmlLang' => $reader->xmlLang,
+            'attributeCount' => $reader->attributeCount,
+            'value' => $reader->value,
+            'namespaceURI' => $reader->namespaceURI,
+            'baseURI' => $reader->baseURI ? new LinkStub($reader->baseURI) : $reader->baseURI,
+            $props => array(
+                'LOADDTD' => $reader->getParserProperty(\XMLReader::LOADDTD),
+                'DEFAULTATTRS' => $reader->getParserProperty(\XMLReader::DEFAULTATTRS),
+                'VALIDATE' => $reader->getParserProperty(\XMLReader::VALIDATE),
+                'SUBST_ENTITIES' => $reader->getParserProperty(\XMLReader::SUBST_ENTITIES),
+            ),
+        );
+
+        if ($info[$props] = Caster::filter($info[$props], Caster::EXCLUDE_EMPTY, array(), $count)) {
+            $info[$props] = new EnumStub($info[$props]);
+            $info[$props]->cut = $count;
+        }
+
+        $info = Caster::filter($info, Caster::EXCLUDE_EMPTY, array(), $count);
+        // +2 because hasValue and hasAttributes are always filtered
+        $stub->cut += $count + 2;
+
+        return $a + $info;
+    }
+}

vendor/symfony/var-dumper/Caster/XmlResourceCaster.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts XML resources to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class XmlResourceCaster
+{
+    private static $xmlErrors = array(
+        XML_ERROR_NONE => 'XML_ERROR_NONE',
+        XML_ERROR_NO_MEMORY => 'XML_ERROR_NO_MEMORY',
+        XML_ERROR_SYNTAX => 'XML_ERROR_SYNTAX',
+        XML_ERROR_NO_ELEMENTS => 'XML_ERROR_NO_ELEMENTS',
+        XML_ERROR_INVALID_TOKEN => 'XML_ERROR_INVALID_TOKEN',
+        XML_ERROR_UNCLOSED_TOKEN => 'XML_ERROR_UNCLOSED_TOKEN',
+        XML_ERROR_PARTIAL_CHAR => 'XML_ERROR_PARTIAL_CHAR',
+        XML_ERROR_TAG_MISMATCH => 'XML_ERROR_TAG_MISMATCH',
+        XML_ERROR_DUPLICATE_ATTRIBUTE => 'XML_ERROR_DUPLICATE_ATTRIBUTE',
+        XML_ERROR_JUNK_AFTER_DOC_ELEMENT => 'XML_ERROR_JUNK_AFTER_DOC_ELEMENT',
+        XML_ERROR_PARAM_ENTITY_REF => 'XML_ERROR_PARAM_ENTITY_REF',
+        XML_ERROR_UNDEFINED_ENTITY => 'XML_ERROR_UNDEFINED_ENTITY',
+        XML_ERROR_RECURSIVE_ENTITY_REF => 'XML_ERROR_RECURSIVE_ENTITY_REF',
+        XML_ERROR_ASYNC_ENTITY => 'XML_ERROR_ASYNC_ENTITY',
+        XML_ERROR_BAD_CHAR_REF => 'XML_ERROR_BAD_CHAR_REF',
+        XML_ERROR_BINARY_ENTITY_REF => 'XML_ERROR_BINARY_ENTITY_REF',
+        XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF => 'XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF',
+        XML_ERROR_MISPLACED_XML_PI => 'XML_ERROR_MISPLACED_XML_PI',
+        XML_ERROR_UNKNOWN_ENCODING => 'XML_ERROR_UNKNOWN_ENCODING',
+        XML_ERROR_INCORRECT_ENCODING => 'XML_ERROR_INCORRECT_ENCODING',
+        XML_ERROR_UNCLOSED_CDATA_SECTION => 'XML_ERROR_UNCLOSED_CDATA_SECTION',
+        XML_ERROR_EXTERNAL_ENTITY_HANDLING => 'XML_ERROR_EXTERNAL_ENTITY_HANDLING',
+    );
+
+    public static function castXml($h, array $a, Stub $stub, $isNested)
+    {
+        $a['current_byte_index'] = xml_get_current_byte_index($h);
+        $a['current_column_number'] = xml_get_current_column_number($h);
+        $a['current_line_number'] = xml_get_current_line_number($h);
+        $a['error_code'] = xml_get_error_code($h);
+
+        if (isset(self::$xmlErrors[$a['error_code']])) {
+            $a['error_code'] = new ConstStub(self::$xmlErrors[$a['error_code']], $a['error_code']);
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Cloner/AbstractCloner.php

@@ -0,0 +1,331 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Exception\ThrowingCasterException;
+
+/**
+ * AbstractCloner implements a generic caster mechanism for objects and resources.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+abstract class AbstractCloner implements ClonerInterface
+{
+    public static $defaultCasters = array(
+        '__PHP_Incomplete_Class' => array('Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'),
+
+        'Symfony\Component\VarDumper\Caster\CutStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
+        'Symfony\Component\VarDumper\Caster\CutArrayStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'),
+        'Symfony\Component\VarDumper\Caster\ConstStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
+        'Symfony\Component\VarDumper\Caster\EnumStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'),
+
+        'Closure' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'),
+        'Generator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'),
+        'ReflectionType' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'),
+        'ReflectionGenerator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'),
+        'ReflectionClass' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'),
+        'ReflectionFunctionAbstract' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'),
+        'ReflectionMethod' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'),
+        'ReflectionParameter' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'),
+        'ReflectionProperty' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'),
+        'ReflectionExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'),
+        'ReflectionZendExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'),
+
+        'Doctrine\Common\Persistence\ObjectManager' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'Doctrine\Common\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'),
+        'Doctrine\ORM\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'),
+        'Doctrine\ORM\PersistentCollection' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'),
+
+        'DOMException' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'),
+        'DOMStringList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
+        'DOMNameList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
+        'DOMImplementation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'),
+        'DOMImplementationList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
+        'DOMNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'),
+        'DOMNameSpaceNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'),
+        'DOMDocument' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'),
+        'DOMNodeList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
+        'DOMNamedNodeMap' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
+        'DOMCharacterData' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'),
+        'DOMAttr' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'),
+        'DOMElement' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'),
+        'DOMText' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'),
+        'DOMTypeinfo' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'),
+        'DOMDomError' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'),
+        'DOMLocator' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'),
+        'DOMDocumentType' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'),
+        'DOMNotation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'),
+        'DOMEntity' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'),
+        'DOMProcessingInstruction' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'),
+        'DOMXPath' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'),
+
+        'XmlReader' => array('Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'),
+
+        'ErrorException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'),
+        'Exception' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'),
+        'Error' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'),
+        'Symfony\Component\DependencyInjection\ContainerInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'Symfony\Component\HttpFoundation\Request' => array('Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'),
+        'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'),
+        'Symfony\Component\VarDumper\Caster\TraceStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'),
+        'Symfony\Component\VarDumper\Caster\FrameStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'),
+        'Symfony\Component\Debug\Exception\SilencedErrorContext' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'),
+
+        'PHPUnit_Framework_MockObject_MockObject' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'Prophecy\Prophecy\ProphecySubjectInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'Mockery\MockInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+
+        'PDO' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'),
+        'PDOStatement' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'),
+
+        'AMQPConnection' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'),
+        'AMQPChannel' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'),
+        'AMQPQueue' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'),
+        'AMQPExchange' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'),
+        'AMQPEnvelope' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'),
+
+        'ArrayObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'),
+        'SplDoublyLinkedList' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'),
+        'SplFileInfo' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'),
+        'SplFileObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'),
+        'SplFixedArray' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'),
+        'SplHeap' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
+        'SplObjectStorage' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'),
+        'SplPriorityQueue' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
+        'OuterIterator' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'),
+
+        'MongoCursorInterface' => array('Symfony\Component\VarDumper\Caster\MongoCaster', 'castCursor'),
+
+        'Redis' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'),
+        'RedisArray' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'),
+
+        'DateTimeInterface' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'),
+        'DateInterval' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'),
+        'DateTimeZone' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'),
+        'DatePeriod' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'),
+
+        ':curl' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'),
+        ':dba' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
+        ':dba persistent' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
+        ':gd' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'),
+        ':mysql link' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'),
+        ':pgsql large object' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'),
+        ':pgsql link' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
+        ':pgsql link persistent' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
+        ':pgsql result' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'),
+        ':process' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'),
+        ':stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
+        ':persistent stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
+        ':stream-context' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'),
+        ':xml' => array('Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'),
+    );
+
+    protected $maxItems = 2500;
+    protected $maxString = -1;
+    protected $minDepth = 1;
+    protected $useExt;
+
+    private $casters = array();
+    private $prevErrorHandler;
+    private $classInfo = array();
+    private $filter = 0;
+
+    /**
+     * @param callable[]|null $casters A map of casters
+     *
+     * @see addCasters
+     */
+    public function __construct(array $casters = null)
+    {
+        if (null === $casters) {
+            $casters = static::$defaultCasters;
+        }
+        $this->addCasters($casters);
+        $this->useExt = extension_loaded('symfony_debug');
+    }
+
+    /**
+     * Adds casters for resources and objects.
+     *
+     * Maps resources or objects types to a callback.
+     * Types are in the key, with a callable caster for value.
+     * Resource types are to be prefixed with a `:`,
+     * see e.g. static::$defaultCasters.
+     *
+     * @param callable[] $casters A map of casters
+     */
+    public function addCasters(array $casters)
+    {
+        foreach ($casters as $type => $callback) {
+            $this->casters[strtolower($type)][] = is_string($callback) && false !== strpos($callback, '::') ? explode('::', $callback, 2) : $callback;
+        }
+    }
+
+    /**
+     * Sets the maximum number of items to clone past the minimum depth in nested structures.
+     *
+     * @param int $maxItems
+     */
+    public function setMaxItems($maxItems)
+    {
+        $this->maxItems = (int) $maxItems;
+    }
+
+    /**
+     * Sets the maximum cloned length for strings.
+     *
+     * @param int $maxString
+     */
+    public function setMaxString($maxString)
+    {
+        $this->maxString = (int) $maxString;
+    }
+
+    /**
+     * Sets the minimum tree depth where we are guaranteed to clone all the items.  After this
+     * depth is reached, only setMaxItems items will be cloned.
+     *
+     * @param int $minDepth
+     */
+    public function setMinDepth($minDepth)
+    {
+        $this->minDepth = (int) $minDepth;
+    }
+
+    /**
+     * Clones a PHP variable.
+     *
+     * @param mixed $var    Any PHP variable
+     * @param int   $filter A bit field of Caster::EXCLUDE_* constants
+     *
+     * @return Data The cloned variable represented by a Data object
+     */
+    public function cloneVar($var, $filter = 0)
+    {
+        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = array()) {
+            if (E_RECOVERABLE_ERROR === $type || E_USER_ERROR === $type) {
+                // Cloner never dies
+                throw new \ErrorException($msg, 0, $type, $file, $line);
+            }
+
+            if ($this->prevErrorHandler) {
+                return call_user_func($this->prevErrorHandler, $type, $msg, $file, $line, $context);
+            }
+
+            return false;
+        });
+        $this->filter = $filter;
+
+        if ($gc = gc_enabled()) {
+            gc_disable();
+        }
+        try {
+            return new Data($this->doClone($var));
+        } finally {
+            if ($gc) {
+                gc_enable();
+            }
+            restore_error_handler();
+            $this->prevErrorHandler = null;
+        }
+    }
+
+    /**
+     * Effectively clones the PHP variable.
+     *
+     * @param mixed $var Any PHP variable
+     *
+     * @return array The cloned variable represented in an array
+     */
+    abstract protected function doClone($var);
+
+    /**
+     * Casts an object to an array representation.
+     *
+     * @param Stub $stub     The Stub for the casted object
+     * @param bool $isNested True if the object is nested in the dumped structure
+     *
+     * @return array The object casted as array
+     */
+    protected function castObject(Stub $stub, $isNested)
+    {
+        $obj = $stub->value;
+        $class = $stub->class;
+
+        if (isset($class[15]) && "\0" === $class[15] && 0 === strpos($class, "class@anonymous\x00")) {
+            $stub->class = get_parent_class($class).'@anonymous';
+        }
+        if (isset($this->classInfo[$class])) {
+            list($i, $parents, $hasDebugInfo) = $this->classInfo[$class];
+        } else {
+            $i = 2;
+            $parents = array(strtolower($class));
+            $hasDebugInfo = method_exists($class, '__debugInfo');
+
+            foreach (class_parents($class) as $p) {
+                $parents[] = strtolower($p);
+                ++$i;
+            }
+            foreach (class_implements($class) as $p) {
+                $parents[] = strtolower($p);
+                ++$i;
+            }
+            $parents[] = '*';
+
+            $this->classInfo[$class] = array($i, $parents, $hasDebugInfo);
+        }
+
+        $a = Caster::castObject($obj, $class, $hasDebugInfo);
+
+        try {
+            while ($i--) {
+                if (!empty($this->casters[$p = $parents[$i]])) {
+                    foreach ($this->casters[$p] as $callback) {
+                        $a = $callback($obj, $a, $stub, $isNested, $this->filter);
+                    }
+                }
+            }
+        } catch (\Exception $e) {
+            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+        }
+
+        return $a;
+    }
+
+    /**
+     * Casts a resource to an array representation.
+     *
+     * @param Stub $stub     The Stub for the casted resource
+     * @param bool $isNested True if the object is nested in the dumped structure
+     *
+     * @return array The resource casted as array
+     */
+    protected function castResource(Stub $stub, $isNested)
+    {
+        $a = array();
+        $res = $stub->value;
+        $type = $stub->class;
+
+        try {
+            if (!empty($this->casters[':'.$type])) {
+                foreach ($this->casters[':'.$type] as $callback) {
+                    $a = $callback($res, $a, $stub, $isNested, $this->filter);
+                }
+            }
+        } catch (\Exception $e) {
+            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+        }
+
+        return $a;
+    }
+}

vendor/symfony/var-dumper/Cloner/ClonerInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface ClonerInterface
+{
+    /**
+     * Clones a PHP variable.
+     *
+     * @param mixed $var Any PHP variable
+     *
+     * @return Data The cloned variable represented by a Data object
+     */
+    public function cloneVar($var);
+}

vendor/symfony/var-dumper/Cloner/Cursor.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * Represents the current state of a dumper while dumping.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Cursor
+{
+    const HASH_INDEXED = Stub::ARRAY_INDEXED;
+    const HASH_ASSOC = Stub::ARRAY_ASSOC;
+    const HASH_OBJECT = Stub::TYPE_OBJECT;
+    const HASH_RESOURCE = Stub::TYPE_RESOURCE;
+
+    public $depth = 0;
+    public $refIndex = 0;
+    public $softRefTo = 0;
+    public $softRefCount = 0;
+    public $softRefHandle = 0;
+    public $hardRefTo = 0;
+    public $hardRefCount = 0;
+    public $hardRefHandle = 0;
+    public $hashType;
+    public $hashKey;
+    public $hashKeyIsBinary;
+    public $hashIndex = 0;
+    public $hashLength = 0;
+    public $hashCut = 0;
+    public $stop = false;
+    public $attr = array();
+    public $skipChildren = false;
+}

vendor/symfony/var-dumper/Cloner/Data.php

@@ -0,0 +1,437 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+use Symfony\Component\VarDumper\Caster\Caster;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Data implements \ArrayAccess, \Countable, \IteratorAggregate
+{
+    private $data;
+    private $position = 0;
+    private $key = 0;
+    private $maxDepth = 20;
+    private $maxItemsPerDepth = -1;
+    private $useRefHandles = -1;
+
+    /**
+     * @param array $data An array as returned by ClonerInterface::cloneVar()
+     */
+    public function __construct(array $data)
+    {
+        $this->data = $data;
+    }
+
+    /**
+     * @return string The type of the value
+     */
+    public function getType()
+    {
+        $item = $this->data[$this->position][$this->key];
+
+        if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
+            $item = $item->value;
+        }
+        if (!$item instanceof Stub) {
+            return gettype($item);
+        }
+        if (Stub::TYPE_STRING === $item->type) {
+            return 'string';
+        }
+        if (Stub::TYPE_ARRAY === $item->type) {
+            return 'array';
+        }
+        if (Stub::TYPE_OBJECT === $item->type) {
+            return $item->class;
+        }
+        if (Stub::TYPE_RESOURCE === $item->type) {
+            return $item->class.' resource';
+        }
+    }
+
+    /**
+     * @param bool $recursive Whether values should be resolved recursively or not
+     *
+     * @return scalar|array|null|Data[] A native representation of the original value
+     */
+    public function getValue($recursive = false)
+    {
+        $item = $this->data[$this->position][$this->key];
+
+        if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
+            $item = $item->value;
+        }
+        if (!($item = $this->getStub($item)) instanceof Stub) {
+            return $item;
+        }
+        if (Stub::TYPE_STRING === $item->type) {
+            return $item->value;
+        }
+
+        $children = $item->position ? $this->data[$item->position] : array();
+
+        foreach ($children as $k => $v) {
+            if ($recursive && !($v = $this->getStub($v)) instanceof Stub) {
+                continue;
+            }
+            $children[$k] = clone $this;
+            $children[$k]->key = $k;
+            $children[$k]->position = $item->position;
+
+            if ($recursive) {
+                if (Stub::TYPE_REF === $v->type && ($v = $this->getStub($v->value)) instanceof Stub) {
+                    $recursive = (array) $recursive;
+                    if (isset($recursive[$v->position])) {
+                        continue;
+                    }
+                    $recursive[$v->position] = true;
+                }
+                $children[$k] = $children[$k]->getValue($recursive);
+            }
+        }
+
+        return $children;
+    }
+
+    public function count()
+    {
+        return count($this->getValue());
+    }
+
+    public function getIterator()
+    {
+        if (!is_array($value = $this->getValue())) {
+            throw new \LogicException(sprintf('%s object holds non-iterable type "%s".', self::class, gettype($value)));
+        }
+
+        foreach ($value as $k => $v) {
+            yield $k => $v;
+        }
+    }
+
+    public function __get($key)
+    {
+        if (null !== $data = $this->seek($key)) {
+            $item = $this->getStub($data->data[$data->position][$data->key]);
+
+            return $item instanceof Stub || array() === $item ? $data : $item;
+        }
+    }
+
+    public function __isset($key)
+    {
+        return null !== $this->seek($key);
+    }
+
+    public function offsetExists($key)
+    {
+        return $this->__isset($key);
+    }
+
+    public function offsetGet($key)
+    {
+        return $this->__get($key);
+    }
+
+    public function offsetSet($key, $value)
+    {
+        throw new \BadMethodCallException(self::class.' objects are immutable.');
+    }
+
+    public function offsetUnset($key)
+    {
+        throw new \BadMethodCallException(self::class.' objects are immutable.');
+    }
+
+    public function __toString()
+    {
+        $value = $this->getValue();
+
+        if (!is_array($value)) {
+            return (string) $value;
+        }
+
+        return sprintf('%s (count=%d)', $this->getType(), count($value));
+    }
+
+    /**
+     * @return array The raw data structure
+     *
+     * @deprecated since version 3.3. Use array or object access instead.
+     */
+    public function getRawData()
+    {
+        @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the array or object access instead.', __METHOD__));
+
+        return $this->data;
+    }
+
+    /**
+     * Returns a depth limited clone of $this.
+     *
+     * @param int $maxDepth The max dumped depth level
+     *
+     * @return self A clone of $this
+     */
+    public function withMaxDepth($maxDepth)
+    {
+        $data = clone $this;
+        $data->maxDepth = (int) $maxDepth;
+
+        return $data;
+    }
+
+    /**
+     * Limits the number of elements per depth level.
+     *
+     * @param int $maxItemsPerDepth The max number of items dumped per depth level
+     *
+     * @return self A clone of $this
+     */
+    public function withMaxItemsPerDepth($maxItemsPerDepth)
+    {
+        $data = clone $this;
+        $data->maxItemsPerDepth = (int) $maxItemsPerDepth;
+
+        return $data;
+    }
+
+    /**
+     * Enables/disables objects' identifiers tracking.
+     *
+     * @param bool $useRefHandles False to hide global ref. handles
+     *
+     * @return self A clone of $this
+     */
+    public function withRefHandles($useRefHandles)
+    {
+        $data = clone $this;
+        $data->useRefHandles = $useRefHandles ? -1 : 0;
+
+        return $data;
+    }
+
+    /**
+     * Seeks to a specific key in nested data structures.
+     *
+     * @param string|int $key The key to seek to
+     *
+     * @return self|null A clone of $this of null if the key is not set
+     */
+    public function seek($key)
+    {
+        $item = $this->data[$this->position][$this->key];
+
+        if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
+            $item = $item->value;
+        }
+        if (!($item = $this->getStub($item)) instanceof Stub || !$item->position) {
+            return;
+        }
+        $keys = array($key);
+
+        switch ($item->type) {
+            case Stub::TYPE_OBJECT:
+                $keys[] = Caster::PREFIX_DYNAMIC.$key;
+                $keys[] = Caster::PREFIX_PROTECTED.$key;
+                $keys[] = Caster::PREFIX_VIRTUAL.$key;
+                $keys[] = "\0$item->class\0$key";
+                // no break
+            case Stub::TYPE_ARRAY:
+            case Stub::TYPE_RESOURCE:
+                break;
+            default:
+                return;
+        }
+
+        $data = null;
+        $children = $this->data[$item->position];
+
+        foreach ($keys as $key) {
+            if (isset($children[$key]) || array_key_exists($key, $children)) {
+                $data = clone $this;
+                $data->key = $key;
+                $data->position = $item->position;
+                break;
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * Dumps data with a DumperInterface dumper.
+     */
+    public function dump(DumperInterface $dumper)
+    {
+        $refs = array(0);
+        $this->dumpItem($dumper, new Cursor(), $refs, $this->data[$this->position][$this->key]);
+    }
+
+    /**
+     * Depth-first dumping of items.
+     *
+     * @param DumperInterface $dumper The dumper being used for dumping
+     * @param Cursor          $cursor A cursor used for tracking dumper state position
+     * @param array           &$refs  A map of all references discovered while dumping
+     * @param mixed           $item   A Stub object or the original value being dumped
+     */
+    private function dumpItem($dumper, $cursor, &$refs, $item)
+    {
+        $cursor->refIndex = 0;
+        $cursor->softRefTo = $cursor->softRefHandle = $cursor->softRefCount = 0;
+        $cursor->hardRefTo = $cursor->hardRefHandle = $cursor->hardRefCount = 0;
+        $firstSeen = true;
+
+        if (!$item instanceof Stub) {
+            $cursor->attr = array();
+            $type = \gettype($item);
+            if ($item && 'array' === $type) {
+                $item = $this->getStub($item);
+            }
+        } elseif (Stub::TYPE_REF === $item->type) {
+            if ($item->handle) {
+                if (!isset($refs[$r = $item->handle - (PHP_INT_MAX >> 1)])) {
+                    $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0];
+                } else {
+                    $firstSeen = false;
+                }
+                $cursor->hardRefTo = $refs[$r];
+                $cursor->hardRefHandle = $this->useRefHandles & $item->handle;
+                $cursor->hardRefCount = $item->refCount;
+            }
+            $cursor->attr = $item->attr;
+            $type = $item->class ?: gettype($item->value);
+            $item = $this->getStub($item->value);
+        }
+        if ($item instanceof Stub) {
+            if ($item->refCount) {
+                if (!isset($refs[$r = $item->handle])) {
+                    $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0];
+                } else {
+                    $firstSeen = false;
+                }
+                $cursor->softRefTo = $refs[$r];
+            }
+            $cursor->softRefHandle = $this->useRefHandles & $item->handle;
+            $cursor->softRefCount = $item->refCount;
+            $cursor->attr = $item->attr;
+            $cut = $item->cut;
+
+            if ($item->position && $firstSeen) {
+                $children = $this->data[$item->position];
+
+                if ($cursor->stop) {
+                    if ($cut >= 0) {
+                        $cut += count($children);
+                    }
+                    $children = array();
+                }
+            } else {
+                $children = array();
+            }
+            switch ($item->type) {
+                case Stub::TYPE_STRING:
+                    $dumper->dumpString($cursor, $item->value, Stub::STRING_BINARY === $item->class, $cut);
+                    break;
+
+                case Stub::TYPE_ARRAY:
+                    $item = clone $item;
+                    $item->type = $item->class;
+                    $item->class = $item->value;
+                    // no break
+                case Stub::TYPE_OBJECT:
+                case Stub::TYPE_RESOURCE:
+                    $withChildren = $children && $cursor->depth !== $this->maxDepth && $this->maxItemsPerDepth;
+                    $dumper->enterHash($cursor, $item->type, $item->class, $withChildren);
+                    if ($withChildren) {
+                        if ($cursor->skipChildren) {
+                            $withChildren = false;
+                            $cut = -1;
+                        } else {
+                            $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type, null !== $item->class);
+                        }
+                    } elseif ($children && 0 <= $cut) {
+                        $cut += count($children);
+                    }
+                    $cursor->skipChildren = false;
+                    $dumper->leaveHash($cursor, $item->type, $item->class, $withChildren, $cut);
+                    break;
+
+                default:
+                    throw new \RuntimeException(sprintf('Unexpected Stub type: %s', $item->type));
+            }
+        } elseif ('array' === $type) {
+            $dumper->enterHash($cursor, Cursor::HASH_INDEXED, 0, false);
+            $dumper->leaveHash($cursor, Cursor::HASH_INDEXED, 0, false, 0);
+        } elseif ('string' === $type) {
+            $dumper->dumpString($cursor, $item, false, 0);
+        } else {
+            $dumper->dumpScalar($cursor, $type, $item);
+        }
+    }
+
+    /**
+     * Dumps children of hash structures.
+     *
+     * @param DumperInterface $dumper
+     * @param Cursor          $parentCursor The cursor of the parent hash
+     * @param array           &$refs        A map of all references discovered while dumping
+     * @param array           $children     The children to dump
+     * @param int             $hashCut      The number of items removed from the original hash
+     * @param string          $hashType     A Cursor::HASH_* const
+     * @param bool            $dumpKeys     Whether keys should be dumped or not
+     *
+     * @return int The final number of removed items
+     */
+    private function dumpChildren($dumper, $parentCursor, &$refs, $children, $hashCut, $hashType, $dumpKeys)
+    {
+        $cursor = clone $parentCursor;
+        ++$cursor->depth;
+        $cursor->hashType = $hashType;
+        $cursor->hashIndex = 0;
+        $cursor->hashLength = count($children);
+        $cursor->hashCut = $hashCut;
+        foreach ($children as $key => $child) {
+            $cursor->hashKeyIsBinary = isset($key[0]) && !preg_match('//u', $key);
+            $cursor->hashKey = $dumpKeys ? $key : null;
+            $this->dumpItem($dumper, $cursor, $refs, $child);
+            if (++$cursor->hashIndex === $this->maxItemsPerDepth || $cursor->stop) {
+                $parentCursor->stop = true;
+
+                return $hashCut >= 0 ? $hashCut + $cursor->hashLength - $cursor->hashIndex : $hashCut;
+            }
+        }
+
+        return $hashCut;
+    }
+
+    private function getStub($item)
+    {
+        if (!$item || !\is_array($item)) {
+            return $item;
+        }
+
+        $stub = new Stub();
+        $stub->type = Stub::TYPE_ARRAY;
+        foreach ($item as $stub->class => $stub->position) {
+        }
+        if (isset($item[0])) {
+            $stub->cut = $item[0];
+        }
+        $stub->value = $stub->cut + ($stub->position ? \count($this->data[$stub->position]) : 0);
+
+        return $stub;
+    }
+}

vendor/symfony/var-dumper/Cloner/DumperInterface.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * DumperInterface used by Data objects.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface DumperInterface
+{
+    /**
+     * Dumps a scalar value.
+     *
+     * @param Cursor $cursor The Cursor position in the dump
+     * @param string $type   The PHP type of the value being dumped
+     * @param scalar $value  The scalar value being dumped
+     */
+    public function dumpScalar(Cursor $cursor, $type, $value);
+
+    /**
+     * Dumps a string.
+     *
+     * @param Cursor $cursor The Cursor position in the dump
+     * @param string $str    The string being dumped
+     * @param bool   $bin    Whether $str is UTF-8 or binary encoded
+     * @param int    $cut    The number of characters $str has been cut by
+     */
+    public function dumpString(Cursor $cursor, $str, $bin, $cut);
+
+    /**
+     * Dumps while entering an hash.
+     *
+     * @param Cursor $cursor   The Cursor position in the dump
+     * @param int    $type     A Cursor::HASH_* const for the type of hash
+     * @param string $class    The object class, resource type or array count
+     * @param bool   $hasChild When the dump of the hash has child item
+     */
+    public function enterHash(Cursor $cursor, $type, $class, $hasChild);
+
+    /**
+     * Dumps while leaving an hash.
+     *
+     * @param Cursor $cursor   The Cursor position in the dump
+     * @param int    $type     A Cursor::HASH_* const for the type of hash
+     * @param string $class    The object class, resource type or array count
+     * @param bool   $hasChild When the dump of the hash has child item
+     * @param int    $cut      The number of items the hash has been cut by
+     */
+    public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut);
+}

vendor/symfony/var-dumper/Cloner/Stub.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * Represents the main properties of a PHP variable.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Stub implements \Serializable
+{
+    const TYPE_REF = 1;
+    const TYPE_STRING = 2;
+    const TYPE_ARRAY = 3;
+    const TYPE_OBJECT = 4;
+    const TYPE_RESOURCE = 5;
+
+    const STRING_BINARY = 1;
+    const STRING_UTF8 = 2;
+
+    const ARRAY_ASSOC = 1;
+    const ARRAY_INDEXED = 2;
+
+    public $type = self::TYPE_REF;
+    public $class = '';
+    public $value;
+    public $cut = 0;
+    public $handle = 0;
+    public $refCount = 0;
+    public $position = 0;
+    public $attr = array();
+
+    /**
+     * @internal
+     */
+    public function serialize()
+    {
+        return \serialize(array($this->class, $this->position, $this->cut, $this->type, $this->value, $this->handle, $this->refCount, $this->attr));
+    }
+
+    /**
+     * @internal
+     */
+    public function unserialize($serialized)
+    {
+        list($this->class, $this->position, $this->cut, $this->type, $this->value, $this->handle, $this->refCount, $this->attr) = \unserialize($serialized);
+    }
+}

vendor/symfony/var-dumper/Cloner/VarCloner.php

@@ -0,0 +1,327 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class VarCloner extends AbstractCloner
+{
+    private static $gid;
+    private static $hashMask = 0;
+    private static $hashOffset = 0;
+    private static $arrayCache = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doClone($var)
+    {
+        $len = 1;                       // Length of $queue
+        $pos = 0;                       // Number of cloned items past the minimum depth
+        $refsCounter = 0;               // Hard references counter
+        $queue = array(array($var));    // This breadth-first queue is the return value
+        $indexedArrays = array();       // Map of queue indexes that hold numerically indexed arrays
+        $hardRefs = array();            // Map of original zval hashes to stub objects
+        $objRefs = array();             // Map of original object handles to their stub object couterpart
+        $resRefs = array();             // Map of original resource handles to their stub object couterpart
+        $values = array();              // Map of stub objects' hashes to original values
+        $maxItems = $this->maxItems;
+        $maxString = $this->maxString;
+        $minDepth = $this->minDepth;
+        $currentDepth = 0;              // Current tree depth
+        $currentDepthFinalIndex = 0;    // Final $queue index for current tree depth
+        $minimumDepthReached = 0 === $minDepth; // Becomes true when minimum tree depth has been reached
+        $cookie = (object) array();     // Unique object used to detect hard references
+        $a = null;                      // Array cast for nested structures
+        $stub = null;                   // Stub capturing the main properties of an original item value
+                                        // or null if the original value is used directly
+
+        if (!self::$hashMask) {
+            self::$gid = uniqid(mt_rand(), true); // Unique string used to detect the special $GLOBALS variable
+            self::initHashMask();
+        }
+        $gid = self::$gid;
+        $hashMask = self::$hashMask;
+        $hashOffset = self::$hashOffset;
+        $arrayStub = new Stub();
+        $arrayStub->type = Stub::TYPE_ARRAY;
+        $fromObjCast = false;
+
+        for ($i = 0; $i < $len; ++$i) {
+            // Detect when we move on to the next tree depth
+            if ($i > $currentDepthFinalIndex) {
+                ++$currentDepth;
+                $currentDepthFinalIndex = $len - 1;
+                if ($currentDepth >= $minDepth) {
+                    $minimumDepthReached = true;
+                }
+            }
+
+            $refs = $vals = $queue[$i];
+            if (\PHP_VERSION_ID < 70200 && empty($indexedArrays[$i])) {
+                // see https://wiki.php.net/rfc/convert_numeric_keys_in_object_array_casts
+                foreach ($vals as $k => $v) {
+                    if (\is_int($k)) {
+                        continue;
+                    }
+                    foreach (array($k => true) as $gk => $gv) {
+                    }
+                    if ($gk !== $k) {
+                        $fromObjCast = true;
+                        $refs = $vals = \array_values($queue[$i]);
+                        break;
+                    }
+                }
+            }
+            foreach ($vals as $k => $v) {
+                // $v is the original value or a stub object in case of hard references
+                $refs[$k] = $cookie;
+                if ($zvalIsRef = $vals[$k] === $cookie) {
+                    $vals[$k] = &$stub;         // Break hard references to make $queue completely
+                    unset($stub);               // independent from the original structure
+                    if ($v instanceof Stub && isset($hardRefs[\spl_object_hash($v)])) {
+                        $vals[$k] = $refs[$k] = $v;
+                        if ($v->value instanceof Stub && (Stub::TYPE_OBJECT === $v->value->type || Stub::TYPE_RESOURCE === $v->value->type)) {
+                            ++$v->value->refCount;
+                        }
+                        ++$v->refCount;
+                        continue;
+                    }
+                    $refs[$k] = $vals[$k] = new Stub();
+                    $refs[$k]->value = $v;
+                    $h = \spl_object_hash($refs[$k]);
+                    $hardRefs[$h] = &$refs[$k];
+                    $values[$h] = $v;
+                    $vals[$k]->handle = ++$refsCounter;
+                }
+                // Create $stub when the original value $v can not be used directly
+                // If $v is a nested structure, put that structure in array $a
+                switch (true) {
+                    case null === $v:
+                    case \is_bool($v):
+                    case \is_int($v):
+                    case \is_float($v):
+                        continue 2;
+
+                    case \is_string($v):
+                        if ('' === $v) {
+                            continue 2;
+                        }
+                        if (!\preg_match('//u', $v)) {
+                            $stub = new Stub();
+                            $stub->type = Stub::TYPE_STRING;
+                            $stub->class = Stub::STRING_BINARY;
+                            if (0 <= $maxString && 0 < $cut = \strlen($v) - $maxString) {
+                                $stub->cut = $cut;
+                                $stub->value = \substr($v, 0, -$cut);
+                            } else {
+                                $stub->value = $v;
+                            }
+                        } elseif (0 <= $maxString && isset($v[1 + ($maxString >> 2)]) && 0 < $cut = \mb_strlen($v, 'UTF-8') - $maxString) {
+                            $stub = new Stub();
+                            $stub->type = Stub::TYPE_STRING;
+                            $stub->class = Stub::STRING_UTF8;
+                            $stub->cut = $cut;
+                            $stub->value = \mb_substr($v, 0, $maxString, 'UTF-8');
+                        } else {
+                            continue 2;
+                        }
+                        $a = null;
+                        break;
+
+                    case \is_array($v):
+                        if (!$v) {
+                            continue 2;
+                        }
+                        $stub = $arrayStub;
+                        $stub->class = Stub::ARRAY_INDEXED;
+
+                        $j = -1;
+                        foreach ($v as $gk => $gv) {
+                            if ($gk !== ++$j) {
+                                $stub->class = Stub::ARRAY_ASSOC;
+                                break;
+                            }
+                        }
+                        $a = $v;
+
+                        if (Stub::ARRAY_ASSOC === $stub->class) {
+                            // Copies of $GLOBALS have very strange behavior,
+                            // let's detect them with some black magic
+                            $a[$gid] = true;
+
+                            // Happens with copies of $GLOBALS
+                            if (isset($v[$gid])) {
+                                unset($v[$gid]);
+                                $a = array();
+                                foreach ($v as $gk => &$gv) {
+                                    $a[$gk] = &$gv;
+                                }
+                                unset($gv);
+                            } else {
+                                $a = $v;
+                            }
+                        } elseif (\PHP_VERSION_ID < 70200) {
+                            $indexedArrays[$len] = true;
+                        }
+                        break;
+
+                    case \is_object($v):
+                    case $v instanceof \__PHP_Incomplete_Class:
+                        if (empty($objRefs[$h = $hashMask ^ \hexdec(\substr(\spl_object_hash($v), $hashOffset, \PHP_INT_SIZE))])) {
+                            $stub = new Stub();
+                            $stub->type = Stub::TYPE_OBJECT;
+                            $stub->class = \get_class($v);
+                            $stub->value = $v;
+                            $stub->handle = $h;
+                            $a = $this->castObject($stub, 0 < $i);
+                            if ($v !== $stub->value) {
+                                if (Stub::TYPE_OBJECT !== $stub->type || null === $stub->value) {
+                                    break;
+                                }
+                                $h = $hashMask ^ \hexdec(\substr(\spl_object_hash($stub->value), $hashOffset, \PHP_INT_SIZE));
+                                $stub->handle = $h;
+                            }
+                            $stub->value = null;
+                            if (0 <= $maxItems && $maxItems <= $pos && $minimumDepthReached) {
+                                $stub->cut = \count($a);
+                                $a = null;
+                            }
+                        }
+                        if (empty($objRefs[$h])) {
+                            $objRefs[$h] = $stub;
+                        } else {
+                            $stub = $objRefs[$h];
+                            ++$stub->refCount;
+                            $a = null;
+                        }
+                        break;
+
+                    default: // resource
+                        if (empty($resRefs[$h = (int) $v])) {
+                            $stub = new Stub();
+                            $stub->type = Stub::TYPE_RESOURCE;
+                            if ('Unknown' === $stub->class = @\get_resource_type($v)) {
+                                $stub->class = 'Closed';
+                            }
+                            $stub->value = $v;
+                            $stub->handle = $h;
+                            $a = $this->castResource($stub, 0 < $i);
+                            $stub->value = null;
+                            if (0 <= $maxItems && $maxItems <= $pos && $minimumDepthReached) {
+                                $stub->cut = \count($a);
+                                $a = null;
+                            }
+                        }
+                        if (empty($resRefs[$h])) {
+                            $resRefs[$h] = $stub;
+                        } else {
+                            $stub = $resRefs[$h];
+                            ++$stub->refCount;
+                            $a = null;
+                        }
+                        break;
+                }
+
+                if ($a) {
+                    if (!$minimumDepthReached || 0 > $maxItems) {
+                        $queue[$len] = $a;
+                        $stub->position = $len++;
+                    } elseif ($pos < $maxItems) {
+                        if ($maxItems < $pos += \count($a)) {
+                            $a = \array_slice($a, 0, $maxItems - $pos);
+                            if ($stub->cut >= 0) {
+                                $stub->cut += $pos - $maxItems;
+                            }
+                        }
+                        $queue[$len] = $a;
+                        $stub->position = $len++;
+                    } elseif ($stub->cut >= 0) {
+                        $stub->cut += \count($a);
+                        $stub->position = 0;
+                    }
+                }
+
+                if ($arrayStub === $stub) {
+                    if ($arrayStub->cut) {
+                        $stub = array($arrayStub->cut, $arrayStub->class => $arrayStub->position);
+                        $arrayStub->cut = 0;
+                    } elseif (isset(self::$arrayCache[$arrayStub->class][$arrayStub->position])) {
+                        $stub = self::$arrayCache[$arrayStub->class][$arrayStub->position];
+                    } else {
+                        self::$arrayCache[$arrayStub->class][$arrayStub->position] = $stub = array($arrayStub->class => $arrayStub->position);
+                    }
+                }
+
+                if ($zvalIsRef) {
+                    $refs[$k]->value = $stub;
+                } else {
+                    $vals[$k] = $stub;
+                }
+            }
+
+            if ($fromObjCast) {
+                $fromObjCast = false;
+                $refs = $vals;
+                $vals = array();
+                $j = -1;
+                foreach ($queue[$i] as $k => $v) {
+                    foreach (array($k => true) as $gk => $gv) {
+                    }
+                    if ($gk !== $k) {
+                        $vals = (object) $vals;
+                        $vals->{$k} = $refs[++$j];
+                        $vals = (array) $vals;
+                    } else {
+                        $vals[$k] = $refs[++$j];
+                    }
+                }
+            }
+
+            $queue[$i] = $vals;
+        }
+
+        foreach ($values as $h => $v) {
+            $hardRefs[$h] = $v;
+        }
+
+        return $queue;
+    }
+
+    private static function initHashMask()
+    {
+        $obj = (object) array();
+        self::$hashOffset = 16 - PHP_INT_SIZE;
+        self::$hashMask = -1;
+
+        if (defined('HHVM_VERSION')) {
+            self::$hashOffset += 16;
+        } else {
+            // check if we are nested in an output buffering handler to prevent a fatal error with ob_start() below
+            $obFuncs = array('ob_clean', 'ob_end_clean', 'ob_flush', 'ob_end_flush', 'ob_get_contents', 'ob_get_flush');
+            foreach (debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS) as $frame) {
+                if (isset($frame['function'][0]) && !isset($frame['class']) && 'o' === $frame['function'][0] && in_array($frame['function'], $obFuncs)) {
+                    $frame['line'] = 0;
+                    break;
+                }
+            }
+            if (!empty($frame['line'])) {
+                ob_start();
+                debug_zval_dump($obj);
+                self::$hashMask = (int) substr(ob_get_clean(), 17);
+            }
+        }
+
+        self::$hashMask ^= hexdec(substr(spl_object_hash($obj), self::$hashOffset, PHP_INT_SIZE));
+    }
+}

vendor/symfony/var-dumper/Dumper/AbstractDumper.php

@@ -0,0 +1,211 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Dumper;
+
+use Symfony\Component\VarDumper\Cloner\Data;
+use Symfony\Component\VarDumper\Cloner\DumperInterface;
+
+/**
+ * Abstract mechanism for dumping a Data object.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+abstract class AbstractDumper implements DataDumperInterface, DumperInterface
+{
+    const DUMP_LIGHT_ARRAY = 1;
+    const DUMP_STRING_LENGTH = 2;
+    const DUMP_COMMA_SEPARATOR = 4;
+    const DUMP_TRAILING_COMMA = 8;
+
+    public static $defaultOutput = 'php://output';
+
+    protected $line = '';
+    protected $lineDumper;
+    protected $outputStream;
+    protected $decimalPoint; // This is locale dependent
+    protected $indentPad = '  ';
+    protected $flags;
+
+    private $charset;
+
+    /**
+     * @param callable|resource|string|null $output  A line dumper callable, an opened stream or an output path, defaults to static::$defaultOutput
+     * @param string                        $charset The default character encoding to use for non-UTF8 strings
+     * @param int                           $flags   A bit field of static::DUMP_* constants to fine tune dumps representation
+     */
+    public function __construct($output = null, $charset = null, $flags = 0)
+    {
+        $this->flags = (int) $flags;
+        $this->setCharset($charset ?: ini_get('php.output_encoding') ?: ini_get('default_charset') ?: 'UTF-8');
+        $this->decimalPoint = localeconv();
+        $this->decimalPoint = $this->decimalPoint['decimal_point'];
+        $this->setOutput($output ?: static::$defaultOutput);
+        if (!$output && is_string(static::$defaultOutput)) {
+            static::$defaultOutput = $this->outputStream;
+        }
+    }
+
+    /**
+     * Sets the output destination of the dumps.
+     *
+     * @param callable|resource|string $output A line dumper callable, an opened stream or an output path
+     *
+     * @return callable|resource|string The previous output destination
+     */
+    public function setOutput($output)
+    {
+        $prev = null !== $this->outputStream ? $this->outputStream : $this->lineDumper;
+
+        if (is_callable($output)) {
+            $this->outputStream = null;
+            $this->lineDumper = $output;
+        } else {
+            if (is_string($output)) {
+                $output = fopen($output, 'wb');
+            }
+            $this->outputStream = $output;
+            $this->lineDumper = array($this, 'echoLine');
+        }
+
+        return $prev;
+    }
+
+    /**
+     * Sets the default character encoding to use for non-UTF8 strings.
+     *
+     * @param string $charset The default character encoding to use for non-UTF8 strings
+     *
+     * @return string The previous charset
+     */
+    public function setCharset($charset)
+    {
+        $prev = $this->charset;
+
+        $charset = strtoupper($charset);
+        $charset = null === $charset || 'UTF-8' === $charset || 'UTF8' === $charset ? 'CP1252' : $charset;
+
+        $this->charset = $charset;
+
+        return $prev;
+    }
+
+    /**
+     * Sets the indentation pad string.
+     *
+     * @param string $pad A string the will be prepended to dumped lines, repeated by nesting level
+     *
+     * @return string The indent pad
+     */
+    public function setIndentPad($pad)
+    {
+        $prev = $this->indentPad;
+        $this->indentPad = $pad;
+
+        return $prev;
+    }
+
+    /**
+     * Dumps a Data object.
+     *
+     * @param Data                               $data   A Data object
+     * @param callable|resource|string|true|null $output A line dumper callable, an opened stream, an output path or true to return the dump
+     *
+     * @return string|null The dump as string when $output is true
+     */
+    public function dump(Data $data, $output = null)
+    {
+        $this->decimalPoint = localeconv();
+        $this->decimalPoint = $this->decimalPoint['decimal_point'];
+
+        if ($locale = $this->flags & (self::DUMP_COMMA_SEPARATOR | self::DUMP_TRAILING_COMMA) ? setlocale(LC_NUMERIC, 0) : null) {
+            setlocale(LC_NUMERIC, 'C');
+        }
+
+        if ($returnDump = true === $output) {
+            $output = fopen('php://memory', 'r+b');
+        }
+        if ($output) {
+            $prevOutput = $this->setOutput($output);
+        }
+        try {
+            $data->dump($this);
+            $this->dumpLine(-1);
+
+            if ($returnDump) {
+                $result = stream_get_contents($output, -1, 0);
+                fclose($output);
+
+                return $result;
+            }
+        } finally {
+            if ($output) {
+                $this->setOutput($prevOutput);
+            }
+            if ($locale) {
+                setlocale(LC_NUMERIC, $locale);
+            }
+        }
+    }
+
+    /**
+     * Dumps the current line.
+     *
+     * @param int $depth The recursive depth in the dumped structure for the line being dumped,
+     *                   or -1 to signal the end-of-dump to the line dumper callable
+     */
+    protected function dumpLine($depth)
+    {
+        call_user_func($this->lineDumper, $this->line, $depth, $this->indentPad);
+        $this->line = '';
+    }
+
+    /**
+     * Generic line dumper callback.
+     *
+     * @param string $line      The line to write
+     * @param int    $depth     The recursive depth in the dumped structure
+     * @param string $indentPad The line indent pad
+     */
+    protected function echoLine($line, $depth, $indentPad)
+    {
+        if (-1 !== $depth) {
+            fwrite($this->outputStream, str_repeat($indentPad, $depth).$line."\n");
+        }
+    }
+
+    /**
+     * Converts a non-UTF-8 string to UTF-8.
+     *
+     * @param string $s The non-UTF-8 string to convert
+     *
+     * @return string The string converted to UTF-8
+     */
+    protected function utf8Encode($s)
+    {
+        if (preg_match('//u', $s)) {
+            return $s;
+        }
+
+        if (!function_exists('iconv')) {
+            throw new \RuntimeException('Unable to convert a non-UTF-8 string to UTF-8: required function iconv() does not exist. You should install ext-iconv or symfony/polyfill-iconv.');
+        }
+
+        if (false !== $c = @iconv($this->charset, 'UTF-8', $s)) {
+            return $c;
+        }
+        if ('CP1252' !== $this->charset && false !== $c = @iconv('CP1252', 'UTF-8', $s)) {
+            return $c;
+        }
+
+        return iconv('CP850', 'UTF-8', $s);
+    }
+}

vendor/symfony/var-dumper/Dumper/CliDumper.php

@@ -0,0 +1,539 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Dumper;
+
+use Symfony\Component\VarDumper\Cloner\Cursor;
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * CliDumper dumps variables for command line output.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CliDumper extends AbstractDumper
+{
+    public static $defaultColors;
+    public static $defaultOutput = 'php://stdout';
+
+    protected $colors;
+    protected $maxStringWidth = 0;
+    protected $styles = array(
+        // See http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+        'default' => '38;5;208',
+        'num' => '1;38;5;38',
+        'const' => '1;38;5;208',
+        'str' => '1;38;5;113',
+        'note' => '38;5;38',
+        'ref' => '38;5;247',
+        'public' => '',
+        'protected' => '',
+        'private' => '',
+        'meta' => '38;5;170',
+        'key' => '38;5;113',
+        'index' => '38;5;38',
+    );
+
+    protected static $controlCharsRx = '/[\x00-\x1F\x7F]+/';
+    protected static $controlCharsMap = array(
+        "\t" => '\t',
+        "\n" => '\n',
+        "\v" => '\v',
+        "\f" => '\f',
+        "\r" => '\r',
+        "\033" => '\e',
+    );
+
+    protected $collapseNextHash = false;
+    protected $expandNextHash = false;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($output = null, $charset = null, $flags = 0)
+    {
+        parent::__construct($output, $charset, $flags);
+
+        if ('\\' === DIRECTORY_SEPARATOR && 'ON' !== @getenv('ConEmuANSI') && 'xterm' !== @getenv('TERM')) {
+            // Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI
+            $this->setStyles(array(
+                'default' => '31',
+                'num' => '1;34',
+                'const' => '1;31',
+                'str' => '1;32',
+                'note' => '34',
+                'ref' => '1;30',
+                'meta' => '35',
+                'key' => '32',
+                'index' => '34',
+            ));
+        }
+    }
+
+    /**
+     * Enables/disables colored output.
+     *
+     * @param bool $colors
+     */
+    public function setColors($colors)
+    {
+        $this->colors = (bool) $colors;
+    }
+
+    /**
+     * Sets the maximum number of characters per line for dumped strings.
+     *
+     * @param int $maxStringWidth
+     */
+    public function setMaxStringWidth($maxStringWidth)
+    {
+        $this->maxStringWidth = (int) $maxStringWidth;
+    }
+
+    /**
+     * Configures styles.
+     *
+     * @param array $styles A map of style names to style definitions
+     */
+    public function setStyles(array $styles)
+    {
+        $this->styles = $styles + $this->styles;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dumpScalar(Cursor $cursor, $type, $value)
+    {
+        $this->dumpKey($cursor);
+
+        $style = 'const';
+        $attr = $cursor->attr;
+
+        switch ($type) {
+            case 'default':
+                $style = 'default';
+                break;
+
+            case 'integer':
+                $style = 'num';
+                break;
+
+            case 'double':
+                $style = 'num';
+
+                switch (true) {
+                    case INF === $value:  $value = 'INF'; break;
+                    case -INF === $value: $value = '-INF'; break;
+                    case is_nan($value):  $value = 'NAN'; break;
+                    default:
+                        $value = (string) $value;
+                        if (false === strpos($value, $this->decimalPoint)) {
+                            $value .= $this->decimalPoint.'0';
+                        }
+                        break;
+                }
+                break;
+
+            case 'NULL':
+                $value = 'null';
+                break;
+
+            case 'boolean':
+                $value = $value ? 'true' : 'false';
+                break;
+
+            default:
+                $attr += array('value' => $this->utf8Encode($value));
+                $value = $this->utf8Encode($type);
+                break;
+        }
+
+        $this->line .= $this->style($style, $value, $attr);
+
+        $this->endValue($cursor);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dumpString(Cursor $cursor, $str, $bin, $cut)
+    {
+        $this->dumpKey($cursor);
+        $attr = $cursor->attr;
+
+        if ($bin) {
+            $str = $this->utf8Encode($str);
+        }
+        if ('' === $str) {
+            $this->line .= '""';
+            $this->endValue($cursor);
+        } else {
+            $attr += array(
+                'length' => 0 <= $cut ? mb_strlen($str, 'UTF-8') + $cut : 0,
+                'binary' => $bin,
+            );
+            $str = explode("\n", $str);
+            if (isset($str[1]) && !isset($str[2]) && !isset($str[1][0])) {
+                unset($str[1]);
+                $str[0] .= "\n";
+            }
+            $m = count($str) - 1;
+            $i = $lineCut = 0;
+
+            if (self::DUMP_STRING_LENGTH & $this->flags) {
+                $this->line .= '('.$attr['length'].') ';
+            }
+            if ($bin) {
+                $this->line .= 'b';
+            }
+
+            if ($m) {
+                $this->line .= '"""';
+                $this->dumpLine($cursor->depth);
+            } else {
+                $this->line .= '"';
+            }
+
+            foreach ($str as $str) {
+                if ($i < $m) {
+                    $str .= "\n";
+                }
+                if (0 < $this->maxStringWidth && $this->maxStringWidth < $len = mb_strlen($str, 'UTF-8')) {
+                    $str = mb_substr($str, 0, $this->maxStringWidth, 'UTF-8');
+                    $lineCut = $len - $this->maxStringWidth;
+                }
+                if ($m && 0 < $cursor->depth) {
+                    $this->line .= $this->indentPad;
+                }
+                if ('' !== $str) {
+                    $this->line .= $this->style('str', $str, $attr);
+                }
+                if ($i++ == $m) {
+                    if ($m) {
+                        if ('' !== $str) {
+                            $this->dumpLine($cursor->depth);
+                            if (0 < $cursor->depth) {
+                                $this->line .= $this->indentPad;
+                            }
+                        }
+                        $this->line .= '"""';
+                    } else {
+                        $this->line .= '"';
+                    }
+                    if ($cut < 0) {
+                        $this->line .= '…';
+                        $lineCut = 0;
+                    } elseif ($cut) {
+                        $lineCut += $cut;
+                    }
+                }
+                if ($lineCut) {
+                    $this->line .= '…'.$lineCut;
+                    $lineCut = 0;
+                }
+
+                if ($i > $m) {
+                    $this->endValue($cursor);
+                } else {
+                    $this->dumpLine($cursor->depth);
+                }
+            }
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function enterHash(Cursor $cursor, $type, $class, $hasChild)
+    {
+        $this->dumpKey($cursor);
+
+        if ($this->collapseNextHash) {
+            $cursor->skipChildren = true;
+            $this->collapseNextHash = $hasChild = false;
+        }
+
+        $class = $this->utf8Encode($class);
+        if (Cursor::HASH_OBJECT === $type) {
+            $prefix = $class && 'stdClass' !== $class ? $this->style('note', $class).' {' : '{';
+        } elseif (Cursor::HASH_RESOURCE === $type) {
+            $prefix = $this->style('note', $class.' resource').($hasChild ? ' {' : ' ');
+        } else {
+            $prefix = $class && !(self::DUMP_LIGHT_ARRAY & $this->flags) ? $this->style('note', 'array:'.$class).' [' : '[';
+        }
+
+        if ($cursor->softRefCount || 0 < $cursor->softRefHandle) {
+            $prefix .= $this->style('ref', (Cursor::HASH_RESOURCE === $type ? '@' : '#').(0 < $cursor->softRefHandle ? $cursor->softRefHandle : $cursor->softRefTo), array('count' => $cursor->softRefCount));
+        } elseif ($cursor->hardRefTo && !$cursor->refIndex && $class) {
+            $prefix .= $this->style('ref', '&'.$cursor->hardRefTo, array('count' => $cursor->hardRefCount));
+        } elseif (!$hasChild && Cursor::HASH_RESOURCE === $type) {
+            $prefix = substr($prefix, 0, -1);
+        }
+
+        $this->line .= $prefix;
+
+        if ($hasChild) {
+            $this->dumpLine($cursor->depth);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut)
+    {
+        $this->dumpEllipsis($cursor, $hasChild, $cut);
+        $this->line .= Cursor::HASH_OBJECT === $type ? '}' : (Cursor::HASH_RESOURCE !== $type ? ']' : ($hasChild ? '}' : ''));
+        $this->endValue($cursor);
+    }
+
+    /**
+     * Dumps an ellipsis for cut children.
+     *
+     * @param Cursor $cursor   The Cursor position in the dump
+     * @param bool   $hasChild When the dump of the hash has child item
+     * @param int    $cut      The number of items the hash has been cut by
+     */
+    protected function dumpEllipsis(Cursor $cursor, $hasChild, $cut)
+    {
+        if ($cut) {
+            $this->line .= ' …';
+            if (0 < $cut) {
+                $this->line .= $cut;
+            }
+            if ($hasChild) {
+                $this->dumpLine($cursor->depth + 1);
+            }
+        }
+    }
+
+    /**
+     * Dumps a key in a hash structure.
+     *
+     * @param Cursor $cursor The Cursor position in the dump
+     */
+    protected function dumpKey(Cursor $cursor)
+    {
+        if (null !== $key = $cursor->hashKey) {
+            if ($cursor->hashKeyIsBinary) {
+                $key = $this->utf8Encode($key);
+            }
+            $attr = array('binary' => $cursor->hashKeyIsBinary);
+            $bin = $cursor->hashKeyIsBinary ? 'b' : '';
+            $style = 'key';
+            switch ($cursor->hashType) {
+                default:
+                case Cursor::HASH_INDEXED:
+                    if (self::DUMP_LIGHT_ARRAY & $this->flags) {
+                        break;
+                    }
+                    $style = 'index';
+                    // no break
+                case Cursor::HASH_ASSOC:
+                    if (is_int($key)) {
+                        $this->line .= $this->style($style, $key).' => ';
+                    } else {
+                        $this->line .= $bin.'"'.$this->style($style, $key).'" => ';
+                    }
+                    break;
+
+                case Cursor::HASH_RESOURCE:
+                    $key = "\0~\0".$key;
+                    // no break
+                case Cursor::HASH_OBJECT:
+                    if (!isset($key[0]) || "\0" !== $key[0]) {
+                        $this->line .= '+'.$bin.$this->style('public', $key).': ';
+                    } elseif (0 < strpos($key, "\0", 1)) {
+                        $key = explode("\0", substr($key, 1), 2);
+
+                        switch ($key[0][0]) {
+                            case '+': // User inserted keys
+                                $attr['dynamic'] = true;
+                                $this->line .= '+'.$bin.'"'.$this->style('public', $key[1], $attr).'": ';
+                                break 2;
+                            case '~':
+                                $style = 'meta';
+                                if (isset($key[0][1])) {
+                                    parse_str(substr($key[0], 1), $attr);
+                                    $attr += array('binary' => $cursor->hashKeyIsBinary);
+                                }
+                                break;
+                            case '*':
+                                $style = 'protected';
+                                $bin = '#'.$bin;
+                                break;
+                            default:
+                                $attr['class'] = $key[0];
+                                $style = 'private';
+                                $bin = '-'.$bin;
+                                break;
+                        }
+
+                        if (isset($attr['collapse'])) {
+                            if ($attr['collapse']) {
+                                $this->collapseNextHash = true;
+                            } else {
+                                $this->expandNextHash = true;
+                            }
+                        }
+
+                        $this->line .= $bin.$this->style($style, $key[1], $attr).(isset($attr['separator']) ? $attr['separator'] : ': ');
+                    } else {
+                        // This case should not happen
+                        $this->line .= '-'.$bin.'"'.$this->style('private', $key, array('class' => '')).'": ';
+                    }
+                    break;
+            }
+
+            if ($cursor->hardRefTo) {
+                $this->line .= $this->style('ref', '&'.($cursor->hardRefCount ? $cursor->hardRefTo : ''), array('count' => $cursor->hardRefCount)).' ';
+            }
+        }
+    }
+
+    /**
+     * Decorates a value with some style.
+     *
+     * @param string $style The type of style being applied
+     * @param string $value The value being styled
+     * @param array  $attr  Optional context information
+     *
+     * @return string The value with style decoration
+     */
+    protected function style($style, $value, $attr = array())
+    {
+        if (null === $this->colors) {
+            $this->colors = $this->supportsColors();
+        }
+
+        if (isset($attr['ellipsis'], $attr['ellipsis-type'])) {
+            $prefix = substr($value, 0, -$attr['ellipsis']);
+            if ('cli' === PHP_SAPI && 'path' === $attr['ellipsis-type'] && isset($_SERVER[$pwd = '\\' === DIRECTORY_SEPARATOR ? 'CD' : 'PWD']) && 0 === strpos($prefix, $_SERVER[$pwd])) {
+                $prefix = '.'.substr($prefix, strlen($_SERVER[$pwd]));
+            }
+            if (!empty($attr['ellipsis-tail'])) {
+                $prefix .= substr($value, -$attr['ellipsis'], $attr['ellipsis-tail']);
+                $value = substr($value, -$attr['ellipsis'] + $attr['ellipsis-tail']);
+            } else {
+                $value = substr($value, -$attr['ellipsis']);
+            }
+
+            return $this->style('default', $prefix).$this->style($style, $value);
+        }
+
+        $style = $this->styles[$style];
+
+        $map = static::$controlCharsMap;
+        $startCchr = $this->colors ? "\033[m\033[{$this->styles['default']}m" : '';
+        $endCchr = $this->colors ? "\033[m\033[{$style}m" : '';
+        $value = preg_replace_callback(static::$controlCharsRx, function ($c) use ($map, $startCchr, $endCchr) {
+            $s = $startCchr;
+            $c = $c[$i = 0];
+            do {
+                $s .= isset($map[$c[$i]]) ? $map[$c[$i]] : sprintf('\x%02X', ord($c[$i]));
+            } while (isset($c[++$i]));
+
+            return $s.$endCchr;
+        }, $value, -1, $cchrCount);
+
+        if ($this->colors) {
+            if ($cchrCount && "\033" === $value[0]) {
+                $value = substr($value, strlen($startCchr));
+            } else {
+                $value = "\033[{$style}m".$value;
+            }
+            if ($cchrCount && $endCchr === substr($value, -strlen($endCchr))) {
+                $value = substr($value, 0, -strlen($endCchr));
+            } else {
+                $value .= "\033[{$this->styles['default']}m";
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * @return bool Tells if the current output stream supports ANSI colors or not
+     */
+    protected function supportsColors()
+    {
+        if ($this->outputStream !== static::$defaultOutput) {
+            return @(is_resource($this->outputStream) && function_exists('posix_isatty') && posix_isatty($this->outputStream));
+        }
+        if (null !== static::$defaultColors) {
+            return static::$defaultColors;
+        }
+        if (isset($_SERVER['argv'][1])) {
+            $colors = $_SERVER['argv'];
+            $i = count($colors);
+            while (--$i > 0) {
+                if (isset($colors[$i][5])) {
+                    switch ($colors[$i]) {
+                        case '--ansi':
+                        case '--color':
+                        case '--color=yes':
+                        case '--color=force':
+                        case '--color=always':
+                            return static::$defaultColors = true;
+
+                        case '--no-ansi':
+                        case '--color=no':
+                        case '--color=none':
+                        case '--color=never':
+                            return static::$defaultColors = false;
+                    }
+                }
+            }
+        }
+
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            static::$defaultColors = @(
+                '10.0.10586' === PHP_WINDOWS_VERSION_MAJOR.'.'.PHP_WINDOWS_VERSION_MINOR.'.'.PHP_WINDOWS_VERSION_BUILD
+                || false !== getenv('ANSICON')
+                || 'ON' === getenv('ConEmuANSI')
+                || 'xterm' === getenv('TERM')
+            );
+        } elseif (function_exists('posix_isatty')) {
+            $h = stream_get_meta_data($this->outputStream) + array('wrapper_type' => null);
+            $h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
+            static::$defaultColors = @posix_isatty($h);
+        } else {
+            static::$defaultColors = false;
+        }
+
+        return static::$defaultColors;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function dumpLine($depth, $endOfValue = false)
+    {
+        if ($this->colors) {
+            $this->line = sprintf("\033[%sm%s\033[m", $this->styles['default'], $this->line);
+        }
+        parent::dumpLine($depth);
+    }
+
+    protected function endValue(Cursor $cursor)
+    {
+        if (Stub::ARRAY_INDEXED === $cursor->hashType || Stub::ARRAY_ASSOC === $cursor->hashType) {
+            if (self::DUMP_TRAILING_COMMA & $this->flags && 0 < $cursor->depth) {
+                $this->line .= ',';
+            } elseif (self::DUMP_COMMA_SEPARATOR & $this->flags && 1 < $cursor->hashLength - $cursor->hashIndex) {
+                $this->line .= ',';
+            }
+        }
+
+        $this->dumpLine($cursor->depth, true);
+    }
+}

vendor/symfony/var-dumper/Dumper/DataDumperInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Dumper;
+
+use Symfony\Component\VarDumper\Cloner\Data;
+
+/**
+ * DataDumperInterface for dumping Data objects.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface DataDumperInterface
+{
+    public function dump(Data $data);
+}

vendor/symfony/var-dumper/Dumper/HtmlDumper.php

@@ -0,0 +1,897 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Dumper;
+
+use Symfony\Component\VarDumper\Cloner\Cursor;
+use Symfony\Component\VarDumper\Cloner\Data;
+
+/**
+ * HtmlDumper dumps variables as HTML.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class HtmlDumper extends CliDumper
+{
+    public static $defaultOutput = 'php://output';
+
+    protected $dumpHeader;
+    protected $dumpPrefix = '<pre class=sf-dump id=%s data-indent-pad="%s">';
+    protected $dumpSuffix = '</pre><script>Sfdump(%s)</script>';
+    protected $dumpId = 'sf-dump';
+    protected $colors = true;
+    protected $headerIsDumped = false;
+    protected $lastDepth = -1;
+    protected $styles = array(
+        'default' => 'background-color:#18171B; color:#FF8400; line-height:1.2em; font:12px Menlo, Monaco, Consolas, monospace; word-wrap: break-word; white-space: pre-wrap; position:relative; z-index:99999; word-break: break-all',
+        'num' => 'font-weight:bold; color:#1299DA',
+        'const' => 'font-weight:bold',
+        'str' => 'font-weight:bold; color:#56DB3A',
+        'note' => 'color:#1299DA',
+        'ref' => 'color:#A0A0A0',
+        'public' => 'color:#FFFFFF',
+        'protected' => 'color:#FFFFFF',
+        'private' => 'color:#FFFFFF',
+        'meta' => 'color:#B729D9',
+        'key' => 'color:#56DB3A',
+        'index' => 'color:#1299DA',
+        'ellipsis' => 'color:#FF8400',
+    );
+
+    private $displayOptions = array(
+        'maxDepth' => 1,
+        'maxStringLength' => 160,
+        'fileLinkFormat' => null,
+    );
+    private $extraDisplayOptions = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($output = null, $charset = null, $flags = 0)
+    {
+        AbstractDumper::__construct($output, $charset, $flags);
+        $this->dumpId = 'sf-dump-'.mt_rand();
+        $this->displayOptions['fileLinkFormat'] = ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setStyles(array $styles)
+    {
+        $this->headerIsDumped = false;
+        $this->styles = $styles + $this->styles;
+    }
+
+    /**
+     * Configures display options.
+     *
+     * @param array $displayOptions A map of display options to customize the behavior
+     */
+    public function setDisplayOptions(array $displayOptions)
+    {
+        $this->headerIsDumped = false;
+        $this->displayOptions = $displayOptions + $this->displayOptions;
+    }
+
+    /**
+     * Sets an HTML header that will be dumped once in the output stream.
+     *
+     * @param string $header An HTML string
+     */
+    public function setDumpHeader($header)
+    {
+        $this->dumpHeader = $header;
+    }
+
+    /**
+     * Sets an HTML prefix and suffix that will encapse every single dump.
+     *
+     * @param string $prefix The prepended HTML string
+     * @param string $suffix The appended HTML string
+     */
+    public function setDumpBoundaries($prefix, $suffix)
+    {
+        $this->dumpPrefix = $prefix;
+        $this->dumpSuffix = $suffix;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dump(Data $data, $output = null, array $extraDisplayOptions = array())
+    {
+        $this->extraDisplayOptions = $extraDisplayOptions;
+        $result = parent::dump($data, $output);
+        $this->dumpId = 'sf-dump-'.mt_rand();
+
+        return $result;
+    }
+
+    /**
+     * Dumps the HTML header.
+     */
+    protected function getDumpHeader()
+    {
+        $this->headerIsDumped = null !== $this->outputStream ? $this->outputStream : $this->lineDumper;
+
+        if (null !== $this->dumpHeader) {
+            return $this->dumpHeader;
+        }
+
+        $line = str_replace('{$options}', json_encode($this->displayOptions, JSON_FORCE_OBJECT), <<<'EOHTML'
+<script>
+Sfdump = window.Sfdump || (function (doc) {
+
+var refStyle = doc.createElement('style'),
+    rxEsc = /([.*+?^${}()|\[\]\/\\])/g,
+    idRx = /\bsf-dump-\d+-ref[012]\w+\b/,
+    keyHint = 0 <= navigator.platform.toUpperCase().indexOf('MAC') ? 'Cmd' : 'Ctrl',
+    addEventListener = function (e, n, cb) {
+        e.addEventListener(n, cb, false);
+    };
+
+(doc.documentElement.firstElementChild || doc.documentElement.children[0]).appendChild(refStyle);
+
+if (!doc.addEventListener) {
+    addEventListener = function (element, eventName, callback) {
+        element.attachEvent('on' + eventName, function (e) {
+            e.preventDefault = function () {e.returnValue = false;};
+            e.target = e.srcElement;
+            callback(e);
+        });
+    };
+}
+
+function toggle(a, recursive) {
+    var s = a.nextSibling || {}, oldClass = s.className, arrow, newClass;
+
+    if (/\bsf-dump-compact\b/.test(oldClass)) {
+        arrow = '▼';
+        newClass = 'sf-dump-expanded';
+    } else if (/\bsf-dump-expanded\b/.test(oldClass)) {
+        arrow = '▶';
+        newClass = 'sf-dump-compact';
+    } else {
+        return false;
+    }
+
+    if (doc.createEvent && s.dispatchEvent) {
+        var event = doc.createEvent('Event');
+        event.initEvent('sf-dump-expanded' === newClass ? 'sfbeforedumpexpand' : 'sfbeforedumpcollapse', true, false);
+
+        s.dispatchEvent(event);
+    }
+
+    a.lastChild.innerHTML = arrow;
+    s.className = s.className.replace(/\bsf-dump-(compact|expanded)\b/, newClass);
+
+    if (recursive) {
+        try {
+            a = s.querySelectorAll('.'+oldClass);
+            for (s = 0; s < a.length; ++s) {
+                if (-1 == a[s].className.indexOf(newClass)) {
+                    a[s].className = newClass;
+                    a[s].previousSibling.lastChild.innerHTML = arrow;
+                }
+            }
+        } catch (e) {
+        }
+    }
+
+    return true;
+};
+
+function collapse(a, recursive) {
+    var s = a.nextSibling || {}, oldClass = s.className;
+
+    if (/\bsf-dump-expanded\b/.test(oldClass)) {
+        toggle(a, recursive);
+
+        return true;
+    }
+
+    return false;
+};
+
+function expand(a, recursive) {
+    var s = a.nextSibling || {}, oldClass = s.className;
+
+    if (/\bsf-dump-compact\b/.test(oldClass)) {
+        toggle(a, recursive);
+
+        return true;
+    }
+
+    return false;
+};
+
+function collapseAll(root) {
+    var a = root.querySelector('a.sf-dump-toggle');
+    if (a) {
+        collapse(a, true);
+        expand(a);
+
+        return true;
+    }
+
+    return false;
+}
+
+function reveal(node) {
+    var previous, parents = [];
+
+    while ((node = node.parentNode || {}) && (previous = node.previousSibling) && 'A' === previous.tagName) {
+        parents.push(previous);
+    }
+
+    if (0 !== parents.length) {
+        parents.forEach(function (parent) {
+            expand(parent);
+        });
+
+        return true;
+    }
+
+    return false;
+}
+
+function highlight(root, activeNode, nodes) {
+    resetHighlightedNodes(root);
+
+    Array.from(nodes||[]).forEach(function (node) {
+        if (!/\bsf-dump-highlight\b/.test(node.className)) {
+            node.className = node.className + ' sf-dump-highlight';
+        }
+    });
+
+    if (!/\bsf-dump-highlight-active\b/.test(activeNode.className)) {
+        activeNode.className = activeNode.className + ' sf-dump-highlight-active';
+    }
+}
+
+function resetHighlightedNodes(root) {
+    Array.from(root.querySelectorAll('.sf-dump-str, .sf-dump-key, .sf-dump-public, .sf-dump-protected, .sf-dump-private')).forEach(function (strNode) {
+        strNode.className = strNode.className.replace(/\bsf-dump-highlight\b/, '');
+        strNode.className = strNode.className.replace(/\bsf-dump-highlight-active\b/, '');
+    });
+}
+
+return function (root, x) {
+    root = doc.getElementById(root);
+
+    var indentRx = new RegExp('^('+(root.getAttribute('data-indent-pad') || '  ').replace(rxEsc, '\\$1')+')+', 'm'),
+        options = {$options},
+        elt = root.getElementsByTagName('A'),
+        len = elt.length,
+        i = 0, s, h,
+        t = [];
+
+    while (i < len) t.push(elt[i++]);
+
+    for (i in x) {
+        options[i] = x[i];
+    }
+
+    function a(e, f) {
+        addEventListener(root, e, function (e) {
+            if ('A' == e.target.tagName) {
+                f(e.target, e);
+            } else if ('A' == e.target.parentNode.tagName) {
+                f(e.target.parentNode, e);
+            } else if (e.target.nextElementSibling && 'A' == e.target.nextElementSibling.tagName) {
+                f(e.target.nextElementSibling, e, true);
+            }
+        });
+    };
+    function isCtrlKey(e) {
+        return e.ctrlKey || e.metaKey;
+    }
+    function xpathString(str) {
+        var parts = str.match(/[^'"]+|['"]/g).map(function (part) {
+            if ("'" == part)  {
+                return '"\'"';
+            }
+            if ('"' == part) {
+                return "'\"'";
+            }
+
+            return "'" + part + "'";
+        });
+
+        return "concat(" + parts.join(",") + ", '')";
+    }
+    addEventListener(root, 'mouseover', function (e) {
+        if ('' != refStyle.innerHTML) {
+            refStyle.innerHTML = '';
+        }
+    });
+    a('mouseover', function (a, e, c) {
+        if (c) {
+            e.target.style.cursor = "pointer";
+        } else if (a = idRx.exec(a.className)) {
+            try {
+                refStyle.innerHTML = 'pre.sf-dump .'+a[0]+'{background-color: #B729D9; color: #FFF !important; border-radius: 2px}';
+            } catch (e) {
+            }
+        }
+    });
+    a('click', function (a, e, c) {
+        if (/\bsf-dump-toggle\b/.test(a.className)) {
+            e.preventDefault();
+            if (!toggle(a, isCtrlKey(e))) {
+                var r = doc.getElementById(a.getAttribute('href').substr(1)),
+                    s = r.previousSibling,
+                    f = r.parentNode,
+                    t = a.parentNode;
+                t.replaceChild(r, a);
+                f.replaceChild(a, s);
+                t.insertBefore(s, r);
+                f = f.firstChild.nodeValue.match(indentRx);
+                t = t.firstChild.nodeValue.match(indentRx);
+                if (f && t && f[0] !== t[0]) {
+                    r.innerHTML = r.innerHTML.replace(new RegExp('^'+f[0].replace(rxEsc, '\\$1'), 'mg'), t[0]);
+                }
+                if (/\bsf-dump-compact\b/.test(r.className)) {
+                    toggle(s, isCtrlKey(e));
+                }
+            }
+
+            if (c) {
+            } else if (doc.getSelection) {
+                try {
+                    doc.getSelection().removeAllRanges();
+                } catch (e) {
+                    doc.getSelection().empty();
+                }
+            } else {
+                doc.selection.empty();
+            }
+        } else if (/\bsf-dump-str-toggle\b/.test(a.className)) {
+            e.preventDefault();
+            e = a.parentNode.parentNode;
+            e.className = e.className.replace(/\bsf-dump-str-(expand|collapse)\b/, a.parentNode.className);
+        }
+    });
+
+    elt = root.getElementsByTagName('SAMP');
+    len = elt.length;
+    i = 0;
+
+    while (i < len) t.push(elt[i++]);
+    len = t.length;
+
+    for (i = 0; i < len; ++i) {
+        elt = t[i];
+        if ('SAMP' == elt.tagName) {
+            a = elt.previousSibling || {};
+            if ('A' != a.tagName) {
+                a = doc.createElement('A');
+                a.className = 'sf-dump-ref';
+                elt.parentNode.insertBefore(a, elt);
+            } else {
+                a.innerHTML += ' ';
+            }
+            a.title = (a.title ? a.title+'\n[' : '[')+keyHint+'+click] Expand all children';
+            a.innerHTML += '<span>▼</span>';
+            a.className += ' sf-dump-toggle';
+
+            x = 1;
+            if ('sf-dump' != elt.parentNode.className) {
+                x += elt.parentNode.getAttribute('data-depth')/1;
+            }
+            elt.setAttribute('data-depth', x);
+            var className = elt.className;
+            elt.className = 'sf-dump-expanded';
+            if (className ? 'sf-dump-expanded' !== className : (x > options.maxDepth)) {
+                toggle(a);
+            }
+        } else if (/\bsf-dump-ref\b/.test(elt.className) && (a = elt.getAttribute('href'))) {
+            a = a.substr(1);
+            elt.className += ' '+a;
+
+            if (/[\[{]$/.test(elt.previousSibling.nodeValue)) {
+                a = a != elt.nextSibling.id && doc.getElementById(a);
+                try {
+                    s = a.nextSibling;
+                    elt.appendChild(a);
+                    s.parentNode.insertBefore(a, s);
+                    if (/^[@#]/.test(elt.innerHTML)) {
+                        elt.innerHTML += ' <span>▶</span>';
+                    } else {
+                        elt.innerHTML = '<span>▶</span>';
+                        elt.className = 'sf-dump-ref';
+                    }
+                    elt.className += ' sf-dump-toggle';
+                } catch (e) {
+                    if ('&' == elt.innerHTML.charAt(0)) {
+                        elt.innerHTML = '…';
+                        elt.className = 'sf-dump-ref';
+                    }
+                }
+            }
+        }
+    }
+
+    if (doc.evaluate && Array.from && root.children.length > 1) {
+        root.setAttribute('tabindex', 0);
+
+        SearchState = function () {
+            this.nodes = [];
+            this.idx = 0;
+        };
+        SearchState.prototype = {
+            next: function () {
+                if (this.isEmpty()) {
+                    return this.current();
+                }
+                this.idx = this.idx < (this.nodes.length - 1) ? this.idx + 1 : 0;
+        
+                return this.current();
+            },
+            previous: function () {
+                if (this.isEmpty()) {
+                    return this.current();
+                }
+                this.idx = this.idx > 0 ? this.idx - 1 : (this.nodes.length - 1);
+        
+                return this.current();
+            },
+            isEmpty: function () {
+                return 0 === this.count();
+            },
+            current: function () {
+                if (this.isEmpty()) {
+                    return null;
+                }
+                return this.nodes[this.idx];
+            },
+            reset: function () {
+                this.nodes = [];
+                this.idx = 0;
+            },
+            count: function () {
+                return this.nodes.length;
+            },
+        };
+
+        function showCurrent(state)
+        {
+            var currentNode = state.current();
+            if (currentNode) {
+                reveal(currentNode);
+                highlight(root, currentNode, state.nodes);
+            }
+            counter.textContent = (state.isEmpty() ? 0 : state.idx + 1) + ' of ' + state.count();
+        }
+
+        var search = doc.createElement('div');
+        search.className = 'sf-dump-search-wrapper sf-dump-search-hidden';
+        search.innerHTML = '
+            <input type="text" class="sf-dump-search-input">
+            <span class="sf-dump-search-count">0 of 0<\/span>
+            <button type="button" class="sf-dump-search-input-previous" tabindex="-1">
+                <svg viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+                    <path d="M1683 1331l-166 165q-19 19-45 19t-45-19l-531-531-531 531q-19 19-45 19t-45-19l-166-165q-19-19-19-45.5t19-45.5l742-741q19-19 45-19t45 19l742 741q19 19 19 45.5t-19 45.5z"\/>
+                <\/svg>
+            <\/button>
+            <button type="button" class="sf-dump-search-input-next" tabindex="-1">
+                <svg viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+                    <path d="M1683 808l-742 741q-19 19-45 19t-45-19l-742-741q-19-19-19-45.5t19-45.5l166-165q19-19 45-19t45 19l531 531 531-531q19-19 45-19t45 19l166 165q19 19 19 45.5t-19 45.5z"\/>
+                <\/svg>
+            <\/button>
+        ';
+        root.insertBefore(search, root.firstChild);
+
+        var state = new SearchState();
+        var searchInput = search.querySelector('.sf-dump-search-input');
+        var counter = search.querySelector('.sf-dump-search-count');
+        var searchInputTimer = 0;
+        var previousSearchQuery = '';
+
+        addEventListener(searchInput, 'keyup', function (e) {
+            var searchQuery = e.target.value;
+            /* Don't perform anything if the pressed key didn't change the query */
+            if (searchQuery === previousSearchQuery) {
+                return;
+            }
+            previousSearchQuery = searchQuery;
+            clearTimeout(searchInputTimer);
+            searchInputTimer = setTimeout(function () {
+                state.reset();
+                collapseAll(root);
+                resetHighlightedNodes(root);
+                if ('' === searchQuery) {
+                    counter.textContent = '0 of 0';
+
+                    return;
+                }
+
+                var xpathResult = doc.evaluate('//pre[@id="' + root.id + '"]//span[@class="sf-dump-str" or @class="sf-dump-key" or @class="sf-dump-public" or @class="sf-dump-protected" or @class="sf-dump-private"][contains(translate(child::text(), ' + xpathString(searchQuery.toUpperCase()) + ', ' + xpathString(searchQuery.toLowerCase()) + '), ' + xpathString(searchQuery.toLowerCase()) + ')]', document, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
+
+                while (node = xpathResult.iterateNext()) state.nodes.push(node);
+                
+                showCurrent(state);
+            }, 400);
+        });
+
+        Array.from(search.querySelectorAll('.sf-dump-search-input-next, .sf-dump-search-input-previous')).forEach(function (btn) {
+            addEventListener(btn, 'click', function (e) {
+                e.preventDefault();
+                -1 !== e.target.className.indexOf('next') ? state.next() : state.previous();
+                searchInput.focus();
+                collapseAll(root);
+                showCurrent(state);
+            })
+        });
+
+        addEventListener(root, 'keydown', function (e) {
+            var isSearchActive = !/\bsf-dump-search-hidden\b/.test(search.className);
+            if ((114 === e.keyCode && !isSearchActive) || (isCtrlKey(e) && 70 === e.keyCode)) {
+                /* F3 or CMD/CTRL + F */
+                e.preventDefault();
+                search.className = search.className.replace(/\bsf-dump-search-hidden\b/, '');
+                searchInput.focus();
+            } else if (isSearchActive) {
+                if (27 === e.keyCode) {
+                    /* ESC key */
+                    search.className += ' sf-dump-search-hidden';
+                    e.preventDefault();
+                    resetHighlightedNodes(root);
+                    searchInput.value = '';
+                } else if (
+                    (isCtrlKey(e) && 71 === e.keyCode) /* CMD/CTRL + G */
+                    || 13 === e.keyCode /* Enter */
+                    || 114 === e.keyCode /* F3 */
+                ) {
+                    e.preventDefault();
+                    e.shiftKey ? state.previous() : state.next();
+                    collapseAll(root);
+                    showCurrent(state);
+                }
+            }
+        });
+    }
+
+    if (0 >= options.maxStringLength) {
+        return;
+    }
+    try {
+        elt = root.querySelectorAll('.sf-dump-str');
+        len = elt.length;
+        i = 0;
+        t = [];
+
+        while (i < len) t.push(elt[i++]);
+        len = t.length;
+
+        for (i = 0; i < len; ++i) {
+            elt = t[i];
+            s = elt.innerText || elt.textContent;
+            x = s.length - options.maxStringLength;
+            if (0 < x) {
+                h = elt.innerHTML;
+                elt[elt.innerText ? 'innerText' : 'textContent'] = s.substring(0, options.maxStringLength);
+                elt.className += ' sf-dump-str-collapse';
+                elt.innerHTML = '<span class=sf-dump-str-collapse>'+h+'<a class="sf-dump-ref sf-dump-str-toggle" title="Collapse"> ◀</a></span>'+
+                    '<span class=sf-dump-str-expand>'+elt.innerHTML+'<a class="sf-dump-ref sf-dump-str-toggle" title="'+x+' remaining characters"> ▶</a></span>';
+            }
+        }
+    } catch (e) {
+    }
+};
+
+})(document);
+</script><style>
+pre.sf-dump {
+    display: block;
+    white-space: pre;
+    padding: 5px;
+}
+pre.sf-dump:after {
+   content: "";
+   visibility: hidden;
+   display: block;
+   height: 0;
+   clear: both;
+}
+pre.sf-dump span {
+    display: inline;
+}
+pre.sf-dump .sf-dump-compact {
+    display: none;
+}
+pre.sf-dump abbr {
+    text-decoration: none;
+    border: none;
+    cursor: help;
+}
+pre.sf-dump a {
+    text-decoration: none;
+    cursor: pointer;
+    border: 0;
+    outline: none;
+    color: inherit;
+}
+pre.sf-dump .sf-dump-ellipsis {
+    display: inline-block;
+    overflow: visible;
+    text-overflow: ellipsis;
+    max-width: 5em;
+    white-space: nowrap;
+    overflow: hidden;
+    vertical-align: top;
+}
+pre.sf-dump .sf-dump-ellipsis+.sf-dump-ellipsis {
+    max-width: none;
+}
+pre.sf-dump code {
+    display:inline;
+    padding:0;
+    background:none;
+}
+.sf-dump-str-collapse .sf-dump-str-collapse {
+    display: none;
+}
+.sf-dump-str-expand .sf-dump-str-expand {
+    display: none;
+}
+.sf-dump-public.sf-dump-highlight,
+.sf-dump-protected.sf-dump-highlight,
+.sf-dump-private.sf-dump-highlight,
+.sf-dump-str.sf-dump-highlight,
+.sf-dump-key.sf-dump-highlight {
+    background: rgba(111, 172, 204, 0.3);
+    border: 1px solid #7DA0B1;
+    border-radius: 3px;
+}
+.sf-dump-public.sf-dump-highlight-active,
+.sf-dump-protected.sf-dump-highlight-active,
+.sf-dump-private.sf-dump-highlight-active,
+.sf-dump-str.sf-dump-highlight-active,
+.sf-dump-key.sf-dump-highlight-active {
+    background: rgba(253, 175, 0, 0.4);
+    border: 1px solid #ffa500;
+    border-radius: 3px;
+}
+pre.sf-dump .sf-dump-search-hidden {
+    display: none;
+}
+pre.sf-dump .sf-dump-search-wrapper {
+    float: right;
+    font-size: 0;
+    white-space: nowrap;
+    max-width: 100%;
+    text-align: right;
+}
+pre.sf-dump .sf-dump-search-wrapper > * {
+    vertical-align: top;
+    box-sizing: border-box;
+    height: 21px;
+    font-weight: normal;
+    border-radius: 0;
+    background: #FFF;
+    color: #757575;
+    border: 1px solid #BBB;
+}
+pre.sf-dump .sf-dump-search-wrapper > input.sf-dump-search-input {
+    padding: 3px;
+    height: 21px;
+    font-size: 12px;
+    border-right: none;
+    width: 140px;
+    border-top-left-radius: 3px;
+    border-bottom-left-radius: 3px;
+    color: #000;
+}
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-input-next,
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-input-previous {
+    background: #F2F2F2;
+    outline: none;
+    border-left: none;
+    font-size: 0;
+    line-height: 0;
+}
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-input-next {
+    border-top-right-radius: 3px;
+    border-bottom-right-radius: 3px;
+}
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-input-next > svg,
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-input-previous > svg {
+    pointer-events: none;
+    width: 12px;
+    height: 12px;
+}
+pre.sf-dump .sf-dump-search-wrapper > .sf-dump-search-count {
+    display: inline-block;
+    padding: 0 5px;
+    margin: 0;
+    border-left: none;
+    line-height: 21px;
+    font-size: 12px;
+}
+EOHTML
+        );
+
+        foreach ($this->styles as $class => $style) {
+            $line .= 'pre.sf-dump'.('default' === $class ? ', pre.sf-dump' : '').' .sf-dump-'.$class.'{'.$style.'}';
+        }
+
+        return $this->dumpHeader = preg_replace('/\s+/', ' ', $line).'</style>'.$this->dumpHeader;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function enterHash(Cursor $cursor, $type, $class, $hasChild)
+    {
+        parent::enterHash($cursor, $type, $class, false);
+
+        if ($cursor->skipChildren) {
+            $cursor->skipChildren = false;
+            $eol = ' class=sf-dump-compact>';
+        } elseif ($this->expandNextHash) {
+            $this->expandNextHash = false;
+            $eol = ' class=sf-dump-expanded>';
+        } else {
+            $eol = '>';
+        }
+
+        if ($hasChild) {
+            $this->line .= '<samp';
+            if ($cursor->refIndex) {
+                $r = Cursor::HASH_OBJECT !== $type ? 1 - (Cursor::HASH_RESOURCE !== $type) : 2;
+                $r .= $r && 0 < $cursor->softRefHandle ? $cursor->softRefHandle : $cursor->refIndex;
+
+                $this->line .= sprintf(' id=%s-ref%s', $this->dumpId, $r);
+            }
+            $this->line .= $eol;
+            $this->dumpLine($cursor->depth);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut)
+    {
+        $this->dumpEllipsis($cursor, $hasChild, $cut);
+        if ($hasChild) {
+            $this->line .= '</samp>';
+        }
+        parent::leaveHash($cursor, $type, $class, $hasChild, 0);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function style($style, $value, $attr = array())
+    {
+        if ('' === $value) {
+            return '';
+        }
+
+        $v = esc($value);
+
+        if ('ref' === $style) {
+            if (empty($attr['count'])) {
+                return sprintf('<a class=sf-dump-ref>%s</a>', $v);
+            }
+            $r = ('#' !== $v[0] ? 1 - ('@' !== $v[0]) : 2).substr($value, 1);
+
+            return sprintf('<a class=sf-dump-ref href=#%s-ref%s title="%d occurrences">%s</a>', $this->dumpId, $r, 1 + $attr['count'], $v);
+        }
+
+        if ('const' === $style && isset($attr['value'])) {
+            $style .= sprintf(' title="%s"', esc(is_scalar($attr['value']) ? $attr['value'] : json_encode($attr['value'])));
+        } elseif ('public' === $style) {
+            $style .= sprintf(' title="%s"', empty($attr['dynamic']) ? 'Public property' : 'Runtime added dynamic property');
+        } elseif ('str' === $style && 1 < $attr['length']) {
+            $style .= sprintf(' title="%d%s characters"', $attr['length'], $attr['binary'] ? ' binary or non-UTF-8' : '');
+        } elseif ('note' === $style && false !== $c = strrpos($v, '\\')) {
+            return sprintf('<abbr title="%s" class=sf-dump-%s>%s</abbr>', $v, $style, substr($v, $c + 1));
+        } elseif ('protected' === $style) {
+            $style .= ' title="Protected property"';
+        } elseif ('meta' === $style && isset($attr['title'])) {
+            $style .= sprintf(' title="%s"', esc($this->utf8Encode($attr['title'])));
+        } elseif ('private' === $style) {
+            $style .= sprintf(' title="Private property defined in class:&#10;`%s`"', esc($this->utf8Encode($attr['class'])));
+        }
+        $map = static::$controlCharsMap;
+
+        if (isset($attr['ellipsis'])) {
+            $class = 'sf-dump-ellipsis';
+            if (isset($attr['ellipsis-type'])) {
+                $class = sprintf('"%s sf-dump-ellipsis-%s"', $class, $attr['ellipsis-type']);
+            }
+            $label = esc(substr($value, -$attr['ellipsis']));
+            $style = str_replace(' title="', " title=\"$v\n", $style);
+            $v = sprintf('<span class=%s>%s</span>', $class, substr($v, 0, -strlen($label)));
+
+            if (!empty($attr['ellipsis-tail'])) {
+                $tail = strlen(esc(substr($value, -$attr['ellipsis'], $attr['ellipsis-tail'])));
+                $v .= sprintf('<span class=sf-dump-ellipsis>%s</span>%s', substr($label, 0, $tail), substr($label, $tail));
+            } else {
+                $v .= $label;
+            }
+        }
+
+        $v = "<span class=sf-dump-{$style}>".preg_replace_callback(static::$controlCharsRx, function ($c) use ($map) {
+            $s = '<span class=sf-dump-default>';
+            $c = $c[$i = 0];
+            do {
+                $s .= isset($map[$c[$i]]) ? $map[$c[$i]] : sprintf('\x%02X', ord($c[$i]));
+            } while (isset($c[++$i]));
+
+            return $s.'</span>';
+        }, $v).'</span>';
+
+        if (isset($attr['file']) && $href = $this->getSourceLink($attr['file'], isset($attr['line']) ? $attr['line'] : 0)) {
+            $attr['href'] = $href;
+        }
+        if (isset($attr['href'])) {
+            $target = isset($attr['file']) ? '' : ' target="_blank"';
+            $v = sprintf('<a href="%s"%s rel="noopener noreferrer">%s</a>', esc($this->utf8Encode($attr['href'])), $target, $v);
+        }
+        if (isset($attr['lang'])) {
+            $v = sprintf('<code class="%s">%s</code>', esc($attr['lang']), $v);
+        }
+
+        return $v;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function dumpLine($depth, $endOfValue = false)
+    {
+        if (-1 === $this->lastDepth) {
+            $this->line = sprintf($this->dumpPrefix, $this->dumpId, $this->indentPad).$this->line;
+        }
+        if ($this->headerIsDumped !== (null !== $this->outputStream ? $this->outputStream : $this->lineDumper)) {
+            $this->line = $this->getDumpHeader().$this->line;
+        }
+
+        if (-1 === $depth) {
+            $args = array('"'.$this->dumpId.'"');
+            if ($this->extraDisplayOptions) {
+                $args[] = json_encode($this->extraDisplayOptions, JSON_FORCE_OBJECT);
+            }
+            // Replace is for BC
+            $this->line .= sprintf(str_replace('"%s"', '%s', $this->dumpSuffix), implode(', ', $args));
+        }
+        $this->lastDepth = $depth;
+
+        $this->line = mb_convert_encoding($this->line, 'HTML-ENTITIES', 'UTF-8');
+
+        if (-1 === $depth) {
+            AbstractDumper::dumpLine(0);
+        }
+        AbstractDumper::dumpLine($depth);
+    }
+
+    private function getSourceLink($file, $line)
+    {
+        $options = $this->extraDisplayOptions + $this->displayOptions;
+
+        if ($fmt = $options['fileLinkFormat']) {
+            return is_string($fmt) ? strtr($fmt, array('%f' => $file, '%l' => $line)) : $fmt->format($file, $line);
+        }
+
+        return false;
+    }
+}
+
+function esc($str)
+{
+    return htmlspecialchars($str, ENT_QUOTES, 'UTF-8');
+}

vendor/symfony/var-dumper/Exception/ThrowingCasterException.php

@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Exception;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ThrowingCasterException extends \Exception
+{
+    /**
+     * @param \Exception $prev The exception thrown from the caster
+     */
+    public function __construct(\Exception $prev)
+    {
+        parent::__construct('Unexpected '.get_class($prev).' thrown from a caster: '.$prev->getMessage(), 0, $prev);
+    }
+}

vendor/symfony/var-dumper/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2014-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/var-dumper/README.md

@@ -0,0 +1,15 @@
+VarDumper Component
+===================
+
+The VarDumper component provides mechanisms for walking through any arbitrary
+PHP variable. Built on top, it provides a better `dump()` function that you
+can use instead of `var_dump`.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/var_dumper/introduction.html)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)

vendor/symfony/var-dumper/Resources/functions/dump.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Symfony\Component\VarDumper\VarDumper;
+
+if (!function_exists('dump')) {
+    /**
+     * @author Nicolas Grekas <p@tchwork.com>
+     */
+    function dump($var)
+    {
+        foreach (func_get_args() as $var) {
+            VarDumper::dump($var);
+        }
+
+        if (1 < func_num_args()) {
+            return func_get_args();
+        }
+
+        return $var;
+    }
+}

vendor/symfony/var-dumper/Test/VarDumperTestTrait.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Test;
+
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+trait VarDumperTestTrait
+{
+    public function assertDumpEquals($dump, $data, $filter = 0, $message = '')
+    {
+        if (is_string($filter)) {
+            @trigger_error(sprintf('The $message argument of the "%s()" method at 3rd position is deprecated since Symfony 3.4 and will be moved at 4th position in 4.0.', __METHOD__), E_USER_DEPRECATED);
+            $message = $filter;
+            $filter = 0;
+        }
+
+        $this->assertSame(rtrim($dump), $this->getDump($data, null, $filter), $message);
+    }
+
+    public function assertDumpMatchesFormat($dump, $data, $filter = 0, $message = '')
+    {
+        if (is_string($filter)) {
+            @trigger_error(sprintf('The $message argument of the "%s()" method at 3rd position is deprecated since Symfony 3.4 and will be moved at 4th position in 4.0.', __METHOD__), E_USER_DEPRECATED);
+            $message = $filter;
+            $filter = 0;
+        }
+
+        $this->assertStringMatchesFormat(rtrim($dump), $this->getDump($data, null, $filter), $message);
+    }
+
+    protected function getDump($data, $key = null, $filter = 0)
+    {
+        $flags = getenv('DUMP_LIGHT_ARRAY') ? CliDumper::DUMP_LIGHT_ARRAY : 0;
+        $flags |= getenv('DUMP_STRING_LENGTH') ? CliDumper::DUMP_STRING_LENGTH : 0;
+
+        $cloner = new VarCloner();
+        $cloner->setMaxItems(-1);
+        $dumper = new CliDumper(null, null, $flags);
+        $dumper->setColors(false);
+        $data = $cloner->cloneVar($data, $filter)->withRefHandles(false);
+        if (null !== $key && null === $data = $data->seek($key)) {
+            return;
+        }
+
+        return rtrim($dumper->dump($data, true));
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/CasterTest.php

@@ -0,0 +1,181 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    private $referenceArray = array(
+        'null' => null,
+        'empty' => false,
+        'public' => 'pub',
+        "\0~\0virtual" => 'virt',
+        "\0+\0dynamic" => 'dyn',
+        "\0*\0protected" => 'prot',
+        "\0Foo\0private" => 'priv',
+    );
+
+    /**
+     * @dataProvider provideFilter
+     */
+    public function testFilter($filter, $expectedDiff, $listedProperties = null)
+    {
+        if (null === $listedProperties) {
+            $filteredArray = Caster::filter($this->referenceArray, $filter);
+        } else {
+            $filteredArray = Caster::filter($this->referenceArray, $filter, $listedProperties);
+        }
+
+        $this->assertSame($expectedDiff, array_diff_assoc($this->referenceArray, $filteredArray));
+    }
+
+    public function provideFilter()
+    {
+        return array(
+            array(
+                0,
+                array(),
+            ),
+            array(
+                Caster::EXCLUDE_PUBLIC,
+                array(
+                    'null' => null,
+                    'empty' => false,
+                    'public' => 'pub',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_NULL,
+                array(
+                    'null' => null,
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_EMPTY,
+                array(
+                    'null' => null,
+                    'empty' => false,
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_VIRTUAL,
+                array(
+                    "\0~\0virtual" => 'virt',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_DYNAMIC,
+                array(
+                    "\0+\0dynamic" => 'dyn',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_PROTECTED,
+                array(
+                    "\0*\0protected" => 'prot',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_PRIVATE,
+                array(
+                    "\0Foo\0private" => 'priv',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_VERBOSE,
+                array(
+                    'public' => 'pub',
+                    "\0*\0protected" => 'prot',
+                ),
+                array('public', "\0*\0protected"),
+            ),
+            array(
+                Caster::EXCLUDE_NOT_IMPORTANT,
+                array(
+                    'null' => null,
+                    'empty' => false,
+                    "\0~\0virtual" => 'virt',
+                    "\0+\0dynamic" => 'dyn',
+                    "\0Foo\0private" => 'priv',
+                ),
+                array('public', "\0*\0protected"),
+            ),
+            array(
+                Caster::EXCLUDE_VIRTUAL | Caster::EXCLUDE_DYNAMIC,
+                array(
+                    "\0~\0virtual" => 'virt',
+                    "\0+\0dynamic" => 'dyn',
+                ),
+            ),
+            array(
+                Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_VERBOSE,
+                $this->referenceArray,
+                array('public', "\0*\0protected"),
+            ),
+            array(
+                Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_EMPTY,
+                array(
+                    'null' => null,
+                    'empty' => false,
+                    "\0~\0virtual" => 'virt',
+                    "\0+\0dynamic" => 'dyn',
+                    "\0*\0protected" => 'prot',
+                    "\0Foo\0private" => 'priv',
+                ),
+                array('public', 'empty'),
+            ),
+            array(
+                Caster::EXCLUDE_VERBOSE | Caster::EXCLUDE_EMPTY | Caster::EXCLUDE_STRICT,
+                array(
+                    'empty' => false,
+                ),
+                array('public', 'empty'),
+            ),
+        );
+    }
+
+    /**
+     * @requires PHP 7.0
+     */
+    public function testAnonymousClass()
+    {
+        $c = eval('return new class extends stdClass { private $foo = "foo"; };');
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+stdClass@anonymous {
+  -foo: "foo"
+}
+EOTXT
+            , $c
+        );
+
+        $c = eval('return new class { private $foo = "foo"; };');
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+@anonymous {
+  -foo: "foo"
+}
+EOTXT
+            , $c
+        );
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/DateCasterTest.php

@@ -0,0 +1,426 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Caster\DateCaster;
+use Symfony\Component\VarDumper\Cloner\Stub;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Dany Maillard <danymaillard93b@gmail.com>
+ */
+class DateCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    /**
+     * @dataProvider provideDateTimes
+     */
+    public function testDumpDateTime($time, $timezone, $xDate, $xTimestamp)
+    {
+        if ((defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) && preg_match('/[-+]\d{2}:\d{2}/', $timezone)) {
+            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        }
+
+        $date = new \DateTime($time, new \DateTimeZone($timezone));
+
+        $xDump = <<<EODUMP
+DateTime @$xTimestamp {
+  date: $xDate
+}
+EODUMP;
+
+        $this->assertDumpEquals($xDump, $date);
+    }
+
+    /**
+     * @dataProvider provideDateTimes
+     */
+    public function testCastDateTime($time, $timezone, $xDate, $xTimestamp, $xInfos)
+    {
+        if ((defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) && preg_match('/[-+]\d{2}:\d{2}/', $timezone)) {
+            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        }
+
+        $stub = new Stub();
+        $date = new \DateTime($time, new \DateTimeZone($timezone));
+        $cast = DateCaster::castDateTime($date, array('foo' => 'bar'), $stub, false, 0);
+
+        $xDump = <<<EODUMP
+array:1 [
+  "\\x00~\\x00date" => $xDate
+]
+EODUMP;
+
+        $this->assertDumpEquals($xDump, $cast);
+
+        $xDump = <<<EODUMP
+Symfony\Component\VarDumper\Caster\ConstStub {
+  +type: 1
+  +class: "$xDate"
+  +value: "%A$xInfos%A"
+  +cut: 0
+  +handle: 0
+  +refCount: 0
+  +position: 0
+  +attr: []
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast["\0~\0date"]);
+    }
+
+    public function provideDateTimes()
+    {
+        return array(
+            array('2017-04-30 00:00:00.000000', 'Europe/Zurich', '2017-04-30 00:00:00.0 Europe/Zurich (+02:00)', 1493503200, 'Sunday, April 30, 2017%Afrom now%ADST On'),
+            array('2017-12-31 00:00:00.000000', 'Europe/Zurich', '2017-12-31 00:00:00.0 Europe/Zurich (+01:00)', 1514674800, 'Sunday, December 31, 2017%Afrom now%ADST Off'),
+            array('2017-04-30 00:00:00.000000', '+02:00', '2017-04-30 00:00:00.0 +02:00', 1493503200, 'Sunday, April 30, 2017%Afrom now'),
+
+            array('2017-04-30 00:00:00.100000', '+00:00', '2017-04-30 00:00:00.100 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+            array('2017-04-30 00:00:00.120000', '+00:00', '2017-04-30 00:00:00.120 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+            array('2017-04-30 00:00:00.123000', '+00:00', '2017-04-30 00:00:00.123 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+            array('2017-04-30 00:00:00.123400', '+00:00', '2017-04-30 00:00:00.123400 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+            array('2017-04-30 00:00:00.123450', '+00:00', '2017-04-30 00:00:00.123450 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+            array('2017-04-30 00:00:00.123456', '+00:00', '2017-04-30 00:00:00.123456 +00:00', 1493510400, 'Sunday, April 30, 2017%Afrom now'),
+        );
+    }
+
+    /**
+     * @dataProvider provideIntervals
+     */
+    public function testDumpInterval($intervalSpec, $ms, $invert, $expected)
+    {
+        if ($ms && PHP_VERSION_ID >= 70200 && version_compare(PHP_VERSION, '7.2.0rc3', '<=')) {
+            $this->markTestSkipped('Skipped on 7.2 before rc4 because of php bug #75354.');
+        }
+
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
+
+        $xDump = <<<EODUMP
+DateInterval {
+  interval: $expected
+%A}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $interval);
+    }
+
+    /**
+     * @dataProvider provideIntervals
+     */
+    public function testDumpIntervalExcludingVerbosity($intervalSpec, $ms, $invert, $expected)
+    {
+        if ($ms && PHP_VERSION_ID >= 70200 && version_compare(PHP_VERSION, '7.2.0rc3', '<=')) {
+            $this->markTestSkipped('Skipped on 7.2 before rc4 because of php bug #75354.');
+        }
+
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
+
+        $xDump = <<<EODUMP
+DateInterval {
+  interval: $expected
+}
+EODUMP;
+
+        $this->assertDumpEquals($xDump, $interval, Caster::EXCLUDE_VERBOSE);
+    }
+
+    /**
+     * @dataProvider provideIntervals
+     */
+    public function testCastInterval($intervalSpec, $ms, $invert, $xInterval, $xSeconds)
+    {
+        if ($ms && PHP_VERSION_ID >= 70200 && version_compare(PHP_VERSION, '7.2.0rc3', '<=')) {
+            $this->markTestSkipped('Skipped on 7.2 before rc4 because of php bug #75354.');
+        }
+
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
+        $stub = new Stub();
+
+        $cast = DateCaster::castInterval($interval, array('foo' => 'bar'), $stub, false, Caster::EXCLUDE_VERBOSE);
+
+        $xDump = <<<EODUMP
+array:1 [
+  "\\x00~\\x00interval" => $xInterval
+]
+EODUMP;
+
+        $this->assertDumpEquals($xDump, $cast);
+
+        if (null === $xSeconds) {
+            return;
+        }
+
+        $xDump = <<<EODUMP
+Symfony\Component\VarDumper\Caster\ConstStub {
+  +type: 1
+  +class: "$xInterval"
+  +value: "$xSeconds"
+  +cut: 0
+  +handle: 0
+  +refCount: 0
+  +position: 0
+  +attr: []
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast["\0~\0interval"]);
+    }
+
+    public function provideIntervals()
+    {
+        $i = new \DateInterval('PT0S');
+        $ms = ($withMs = \PHP_VERSION_ID >= 70100 && isset($i->f)) ? '.0' : '';
+
+        return array(
+            array('PT0S', 0, 0, '0s', '0s'),
+            array('PT0S', 0.1, 0, $withMs ? '+ 00:00:00.100' : '0s', '%is'),
+            array('PT1S', 0, 0, '+ 00:00:01'.$ms, '%is'),
+            array('PT2M', 0, 0, '+ 00:02:00'.$ms, '%is'),
+            array('PT3H', 0, 0, '+ 03:00:00'.$ms, '%ss'),
+            array('P4D', 0, 0, '+ 4d', '%ss'),
+            array('P5M', 0, 0, '+ 5m', null),
+            array('P6Y', 0, 0, '+ 6y', null),
+            array('P1Y2M3DT4H5M6S', 0, 0, '+ 1y 2m 3d 04:05:06'.$ms, null),
+            array('PT1M60S', 0, 0, '+ 00:02:00'.$ms, null),
+            array('PT1H60M', 0, 0, '+ 02:00:00'.$ms, null),
+            array('P1DT24H', 0, 0, '+ 2d', null),
+            array('P1M32D', 0, 0, '+ 1m 32d', null),
+
+            array('PT0S', 0, 1, '0s', '0s'),
+            array('PT0S', 0.1, 1, $withMs ? '- 00:00:00.100' : '0s', '%is'),
+            array('PT1S', 0, 1, '- 00:00:01'.$ms, '%is'),
+            array('PT2M', 0, 1, '- 00:02:00'.$ms, '%is'),
+            array('PT3H', 0, 1, '- 03:00:00'.$ms, '%ss'),
+            array('P4D', 0, 1, '- 4d', '%ss'),
+            array('P5M', 0, 1, '- 5m', null),
+            array('P6Y', 0, 1, '- 6y', null),
+            array('P1Y2M3DT4H5M6S', 0, 1, '- 1y 2m 3d 04:05:06'.$ms, null),
+            array('PT1M60S', 0, 1, '- 00:02:00'.$ms, null),
+            array('PT1H60M', 0, 1, '- 02:00:00'.$ms, null),
+            array('P1DT24H', 0, 1, '- 2d', null),
+            array('P1M32D', 0, 1, '- 1m 32d', null),
+        );
+    }
+
+    /**
+     * @dataProvider provideTimeZones
+     */
+    public function testDumpTimeZone($timezone, $expected)
+    {
+        if ((defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) && !preg_match('/\w+\/\w+/', $timezone)) {
+            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        }
+
+        $timezone = new \DateTimeZone($timezone);
+
+        $xDump = <<<EODUMP
+DateTimeZone {
+  timezone: $expected
+%A}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $timezone);
+    }
+
+    /**
+     * @dataProvider provideTimeZones
+     */
+    public function testDumpTimeZoneExcludingVerbosity($timezone, $expected)
+    {
+        if ((defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) && !preg_match('/\w+\/\w+/', $timezone)) {
+            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        }
+
+        $timezone = new \DateTimeZone($timezone);
+
+        $xDump = <<<EODUMP
+DateTimeZone {
+  timezone: $expected
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $timezone, Caster::EXCLUDE_VERBOSE);
+    }
+
+    /**
+     * @dataProvider provideTimeZones
+     */
+    public function testCastTimeZone($timezone, $xTimezone, $xRegion)
+    {
+        if ((defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) && !preg_match('/\w+\/\w+/', $timezone)) {
+            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        }
+
+        $timezone = new \DateTimeZone($timezone);
+        $stub = new Stub();
+
+        $cast = DateCaster::castTimeZone($timezone, array('foo' => 'bar'), $stub, false, Caster::EXCLUDE_VERBOSE);
+
+        $xDump = <<<EODUMP
+array:1 [
+  "\\x00~\\x00timezone" => $xTimezone
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast);
+
+        $xDump = <<<EODUMP
+Symfony\Component\VarDumper\Caster\ConstStub {
+  +type: 1
+  +class: "$xTimezone"
+  +value: "$xRegion"
+  +cut: 0
+  +handle: 0
+  +refCount: 0
+  +position: 0
+  +attr: []
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast["\0~\0timezone"]);
+    }
+
+    public function provideTimeZones()
+    {
+        $xRegion = extension_loaded('intl') ? '%s' : '';
+
+        return array(
+            // type 1 (UTC offset)
+            array('-12:00', '-12:00', ''),
+            array('+00:00', '+00:00', ''),
+            array('+14:00', '+14:00', ''),
+
+            // type 2 (timezone abbreviation)
+            array('GMT', '+00:00', ''),
+            array('a', '+01:00', ''),
+            array('b', '+02:00', ''),
+            array('z', '+00:00', ''),
+
+            // type 3 (timezone identifier)
+            array('Africa/Tunis', 'Africa/Tunis (%s:00)', $xRegion),
+            array('America/Panama', 'America/Panama (%s:00)', $xRegion),
+            array('Asia/Jerusalem', 'Asia/Jerusalem (%s:00)', $xRegion),
+            array('Atlantic/Canary', 'Atlantic/Canary (%s:00)', $xRegion),
+            array('Australia/Perth', 'Australia/Perth (%s:00)', $xRegion),
+            array('Europe/Zurich', 'Europe/Zurich (%s:00)', $xRegion),
+            array('Pacific/Tahiti', 'Pacific/Tahiti (%s:00)', $xRegion),
+        );
+    }
+
+    /**
+     * @dataProvider providePeriods
+     */
+    public function testDumpPeriod($start, $interval, $end, $options, $expected)
+    {
+        if (defined('HHVM_VERSION_ID') || \PHP_VERSION_ID < 50620 || (\PHP_VERSION_ID >= 70000 && \PHP_VERSION_ID < 70005)) {
+            $this->markTestSkipped();
+        }
+
+        $p = new \DatePeriod(new \DateTime($start), new \DateInterval($interval), is_int($end) ? $end : new \DateTime($end), $options);
+
+        $xDump = <<<EODUMP
+DatePeriod {
+  period: $expected
+%A}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $p);
+    }
+
+    /**
+     * @dataProvider providePeriods
+     */
+    public function testCastPeriod($start, $interval, $end, $options, $xPeriod, $xDates)
+    {
+        if (defined('HHVM_VERSION_ID') || \PHP_VERSION_ID < 50620 || (\PHP_VERSION_ID >= 70000 && \PHP_VERSION_ID < 70005)) {
+            $this->markTestSkipped();
+        }
+
+        $p = new \DatePeriod(new \DateTime($start), new \DateInterval($interval), is_int($end) ? $end : new \DateTime($end), $options);
+        $stub = new Stub();
+
+        $cast = DateCaster::castPeriod($p, array(), $stub, false, 0);
+
+        $xDump = <<<EODUMP
+array:1 [
+  "\\x00~\\x00period" => $xPeriod
+]
+EODUMP;
+
+        $this->assertDumpEquals($xDump, $cast);
+
+        $xDump = <<<EODUMP
+Symfony\Component\VarDumper\Caster\ConstStub {
+  +type: 1
+  +class: "$xPeriod"
+  +value: "%A$xDates%A"
+  +cut: 0
+  +handle: 0
+  +refCount: 0
+  +position: 0
+  +attr: []
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast["\0~\0period"]);
+    }
+
+    public function providePeriods()
+    {
+        $i = new \DateInterval('PT0S');
+        $ms = \PHP_VERSION_ID >= 70100 && isset($i->f) ? '.0' : '';
+
+        $periods = array(
+            array('2017-01-01', 'P1D', '2017-01-03', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-03 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02'),
+            array('2017-01-01', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 2 time/s', '1) 2017-01-01%a2) 2017-01-02'),
+
+            array('2017-01-01', 'P1D', '2017-01-04', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-04 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
+            array('2017-01-01', 'P1D', 2, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 3 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
+
+            array('2017-01-01', 'P1D', '2017-01-05', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-05 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02%a1 more'),
+            array('2017-01-01', 'P1D', 3, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 4 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03%a1 more'),
+
+            array('2017-01-01', 'P1D', '2017-01-21', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-21 00:00:00.0', '1) 2017-01-01%a17 more'),
+            array('2017-01-01', 'P1D', 19, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 20 time/s', '1) 2017-01-01%a17 more'),
+
+            array('2017-01-01 01:00:00', 'P1D', '2017-01-03 01:00:00', 0, 'every + 1d, from 2017-01-01 01:00:00.0 (included) to 2017-01-03 01:00:00.0', '1) 2017-01-01 01:00:00.0%a2) 2017-01-02 01:00:00.0'),
+            array('2017-01-01 01:00:00', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 01:00:00.0 (included) recurring 2 time/s', '1) 2017-01-01 01:00:00.0%a2) 2017-01-02 01:00:00.0'),
+
+            array('2017-01-01', 'P1DT1H', '2017-01-03', 0, "every + 1d 01:00:00$ms, from 2017-01-01 00:00:00.0 (included) to 2017-01-03 00:00:00.0", '1) 2017-01-01 00:00:00.0%a2) 2017-01-02 01:00:00.0'),
+            array('2017-01-01', 'P1DT1H', 1, 0, "every + 1d 01:00:00$ms, from 2017-01-01 00:00:00.0 (included) recurring 2 time/s", '1) 2017-01-01 00:00:00.0%a2) 2017-01-02 01:00:00.0'),
+
+            array('2017-01-01', 'P1D', '2017-01-04', \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00.0 (excluded) to 2017-01-04 00:00:00.0', '1) 2017-01-02%a2) 2017-01-03'),
+            array('2017-01-01', 'P1D', 2, \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00.0 (excluded) recurring 2 time/s', '1) 2017-01-02%a2) 2017-01-03'),
+        );
+
+        if (\PHP_VERSION_ID < 70107) {
+            array_walk($periods, function (&$i) { $i[5] = ''; });
+        }
+
+        return $periods;
+    }
+
+    private function createInterval($intervalSpec, $ms, $invert)
+    {
+        $interval = new \DateInterval($intervalSpec);
+        if (\PHP_VERSION_ID >= 70100 && isset($interval->f)) {
+            $interval->f = $ms;
+        }
+        $interval->invert = $invert;
+
+        return $interval;
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/ExceptionCasterTest.php

@@ -0,0 +1,226 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Caster\ExceptionCaster;
+use Symfony\Component\VarDumper\Caster\FrameStub;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\HtmlDumper;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+class ExceptionCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    private function getTestException($msg, &$ref = null)
+    {
+        return new \Exception(''.$msg);
+    }
+
+    protected function tearDown()
+    {
+        ExceptionCaster::$srcContext = 1;
+        ExceptionCaster::$traceArgs = true;
+    }
+
+    public function testDefaultSettings()
+    {
+        $ref = array('foo');
+        $e = $this->getTestException('foo', $ref);
+
+        $expectedDump = <<<'EODUMP'
+Exception {
+  #message: "foo"
+  #code: 0
+  #file: "%sExceptionCasterTest.php"
+  #line: 28
+  trace: {
+    %s%eTests%eCaster%eExceptionCasterTest.php:28 {
+      › {
+      ›     return new \Exception(''.$msg);
+      › }
+    }
+    %s%eTests%eCaster%eExceptionCasterTest.php:40 { …}
+    Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testDefaultSettings() {}
+%A
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $e);
+        $this->assertSame(array('foo'), $ref);
+    }
+
+    public function testSeek()
+    {
+        $e = $this->getTestException(2);
+
+        $expectedDump = <<<'EODUMP'
+{
+  %s%eTests%eCaster%eExceptionCasterTest.php:28 {
+    › {
+    ›     return new \Exception(''.$msg);
+    › }
+  }
+  %s%eTests%eCaster%eExceptionCasterTest.php:65 { …}
+  Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testSeek() {}
+%A
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $this->getDump($e, 'trace'));
+    }
+
+    public function testNoArgs()
+    {
+        $e = $this->getTestException(1);
+        ExceptionCaster::$traceArgs = false;
+
+        $expectedDump = <<<'EODUMP'
+Exception {
+  #message: "1"
+  #code: 0
+  #file: "%sExceptionCasterTest.php"
+  #line: 28
+  trace: {
+    %sExceptionCasterTest.php:28 {
+      › {
+      ›     return new \Exception(''.$msg);
+      › }
+    }
+    %s%eTests%eCaster%eExceptionCasterTest.php:84 { …}
+    Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testNoArgs() {}
+%A
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $e);
+    }
+
+    public function testNoSrcContext()
+    {
+        $e = $this->getTestException(1);
+        ExceptionCaster::$srcContext = -1;
+
+        $expectedDump = <<<'EODUMP'
+Exception {
+  #message: "1"
+  #code: 0
+  #file: "%sExceptionCasterTest.php"
+  #line: 28
+  trace: {
+    %s%eTests%eCaster%eExceptionCasterTest.php:28
+    %s%eTests%eCaster%eExceptionCasterTest.php:%d
+%A
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $e);
+    }
+
+    public function testHtmlDump()
+    {
+        $e = $this->getTestException(1);
+        ExceptionCaster::$srcContext = -1;
+
+        $cloner = new VarCloner();
+        $cloner->setMaxItems(1);
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($e)->withRefHandles(false), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>Exception</span> {<samp>
+  #<span class=sf-dump-protected title="Protected property">message</span>: "<span class=sf-dump-str>1</span>"
+  #<span class=sf-dump-protected title="Protected property">code</span>: <span class=sf-dump-num>0</span>
+  #<span class=sf-dump-protected title="Protected property">file</span>: "<span class=sf-dump-str title="%sExceptionCasterTest.php
+%d characters"><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class=sf-dump-ellipsis>%e</span>Tests%eCaster%eExceptionCasterTest.php</span>"
+  #<span class=sf-dump-protected title="Protected property">line</span>: <span class=sf-dump-num>28</span>
+  <span class=sf-dump-meta>trace</span>: {<samp>
+    <span class=sf-dump-meta title="%sExceptionCasterTest.php
+Stack level %d."><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class=sf-dump-ellipsis>%e</span>Tests%eCaster%eExceptionCasterTest.php</span>:<span class=sf-dump-num>28</span>
+     &hellip;%d
+  </samp>}
+</samp>}
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    /**
+     * @requires function Twig\Template::getSourceContext
+     */
+    public function testFrameWithTwig()
+    {
+        require_once dirname(__DIR__).'/Fixtures/Twig.php';
+
+        $f = array(
+            new FrameStub(array(
+                'file' => dirname(__DIR__).'/Fixtures/Twig.php',
+                'line' => 20,
+                'class' => '__TwigTemplate_VarDumperFixture_u75a09',
+            )),
+            new FrameStub(array(
+                'file' => dirname(__DIR__).'/Fixtures/Twig.php',
+                'line' => 21,
+                'class' => '__TwigTemplate_VarDumperFixture_u75a09',
+                'object' => new \__TwigTemplate_VarDumperFixture_u75a09(null, __FILE__),
+            )),
+        );
+
+        $expectedDump = <<<'EODUMP'
+array:2 [
+  0 => {
+    class: "__TwigTemplate_VarDumperFixture_u75a09"
+    src: {
+      %sTwig.php:1 {
+        › 
+        › foo bar
+        ›   twig source
+      }
+    }
+  }
+  1 => {
+    class: "__TwigTemplate_VarDumperFixture_u75a09"
+    object: __TwigTemplate_VarDumperFixture_u75a09 {
+    %A
+    }
+    src: {
+      %sExceptionCasterTest.php:2 {
+        › foo bar
+        ›   twig source
+        › 
+      }
+    }
+  }
+]
+
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $f);
+    }
+
+    public function testExcludeVerbosity()
+    {
+        $e = $this->getTestException('foo');
+
+        $expectedDump = <<<'EODUMP'
+Exception {
+  #message: "foo"
+  #code: 0
+  #file: "%sExceptionCasterTest.php"
+  #line: 28
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $e, Caster::EXCLUDE_VERBOSE);
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/PdoCasterTest.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\PdoCaster;
+use Symfony\Component\VarDumper\Cloner\Stub;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class PdoCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    /**
+     * @requires extension pdo_sqlite
+     */
+    public function testCastPdo()
+    {
+        $pdo = new \PDO('sqlite::memory:');
+        $pdo->setAttribute(\PDO::ATTR_STATEMENT_CLASS, array('PDOStatement', array($pdo)));
+
+        $cast = PdoCaster::castPdo($pdo, array(), new Stub(), false);
+
+        $this->assertInstanceOf('Symfony\Component\VarDumper\Caster\EnumStub', $cast["\0~\0attributes"]);
+
+        $attr = $cast["\0~\0attributes"] = $cast["\0~\0attributes"]->value;
+        $this->assertInstanceOf('Symfony\Component\VarDumper\Caster\ConstStub', $attr['CASE']);
+        $this->assertSame('NATURAL', $attr['CASE']->class);
+        $this->assertSame('BOTH', $attr['DEFAULT_FETCH_MODE']->class);
+
+        $xDump = <<<'EODUMP'
+array:2 [
+  "\x00~\x00inTransaction" => false
+  "\x00~\x00attributes" => array:9 [
+    "CASE" => NATURAL
+    "ERRMODE" => SILENT
+    "PERSISTENT" => false
+    "DRIVER_NAME" => "sqlite"
+    "ORACLE_NULLS" => NATURAL
+    "CLIENT_VERSION" => "%s"
+    "SERVER_VERSION" => "%s"
+    "STATEMENT_CLASS" => array:%d [
+      0 => "PDOStatement"%A
+    ]
+    "DEFAULT_FETCH_MODE" => BOTH
+  ]
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($xDump, $cast);
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/RedisCasterTest.php

@@ -0,0 +1,84 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ * @requires extension redis
+ */
+class RedisCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function testNotConnected()
+    {
+        $redis = new \Redis();
+
+        if (defined('HHVM_VERSION_ID')) {
+            $xCast = <<<'EODUMP'
+Redis {
+  #host: ""
+%A
+}
+EODUMP;
+        } else {
+            $xCast = <<<'EODUMP'
+Redis {
+  isConnected: false
+}
+EODUMP;
+        }
+
+        $this->assertDumpMatchesFormat($xCast, $redis);
+    }
+
+    public function testConnected()
+    {
+        $redis = new \Redis();
+        if (!@$redis->connect('127.0.0.1')) {
+            $e = error_get_last();
+            self::markTestSkipped($e['message']);
+        }
+
+        if (defined('HHVM_VERSION_ID')) {
+            $xCast = <<<'EODUMP'
+Redis {
+  #host: "127.0.0.1"
+%A
+}
+EODUMP;
+        } else {
+            $xCast = <<<'EODUMP'
+Redis {%A
+  isConnected: true
+  host: "127.0.0.1"
+  port: 6379
+  auth: null
+  dbNum: 0
+  timeout: 0.0
+  persistentId: null
+  options: {
+    READ_TIMEOUT: 0.0
+    SERIALIZER: NONE
+    PREFIX: null
+    SCAN: NORETRY
+  }
+}
+EODUMP;
+        }
+
+        $this->assertDumpMatchesFormat($xCast, $redis);
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/ReflectionCasterTest.php

@@ -0,0 +1,242 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+use Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo;
+use Symfony\Component\VarDumper\Tests\Fixtures\NotLoadableClass;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ReflectionCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function testReflectionCaster()
+    {
+        $var = new \ReflectionClass('ReflectionClass');
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+ReflectionClass {
+  +name: "ReflectionClass"
+%Aimplements: array:%d [
+    0 => "Reflector"
+%A]
+  constants: array:3 [
+    "IS_IMPLICIT_ABSTRACT" => 16
+    "IS_EXPLICIT_ABSTRACT" => 32
+    "IS_FINAL" => %d
+  ]
+  properties: array:%d [
+    "name" => ReflectionProperty {
+%A    +name: "name"
+      +class: "ReflectionClass"
+%A    modifiers: "public"
+    }
+%A]
+  methods: array:%d [
+%A
+    "export" => ReflectionMethod {
+      +name: "export"
+      +class: "ReflectionClass"
+%A    parameters: {
+        $%s: ReflectionParameter {
+%A         position: 0
+%A
+}
+EOTXT
+            , $var
+        );
+    }
+
+    public function testClosureCaster()
+    {
+        $a = $b = 123;
+        $var = function ($x) use ($a, &$b) {};
+
+        $this->assertDumpMatchesFormat(
+            <<<EOTXT
+Closure {
+%Aparameters: {
+    \$x: {}
+  }
+  use: {
+    \$a: 123
+    \$b: & 123
+  }
+  file: "%sReflectionCasterTest.php"
+  line: "68 to 68"
+}
+EOTXT
+            , $var
+        );
+    }
+
+    public function testClosureCasterExcludingVerbosity()
+    {
+        $var = function () {};
+
+        $expectedDump = <<<EOTXT
+Closure {
+  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
+  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
+}
+EOTXT;
+
+        $this->assertDumpEquals($expectedDump, $var, Caster::EXCLUDE_VERBOSE);
+    }
+
+    public function testReflectionParameter()
+    {
+        $var = new \ReflectionParameter(__NAMESPACE__.'\reflectionParameterFixture', 0);
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+ReflectionParameter {
+  +name: "arg1"
+  position: 0
+  typeHint: "Symfony\Component\VarDumper\Tests\Fixtures\NotLoadableClass"
+  default: null
+}
+EOTXT
+            , $var
+        );
+    }
+
+    /**
+     * @requires PHP 7.0
+     */
+    public function testReflectionParameterScalar()
+    {
+        $f = eval('return function (int $a) {};');
+        $var = new \ReflectionParameter($f, 0);
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+ReflectionParameter {
+  +name: "a"
+  position: 0
+  typeHint: "int"
+}
+EOTXT
+            , $var
+        );
+    }
+
+    /**
+     * @requires PHP 7.0
+     */
+    public function testReturnType()
+    {
+        $f = eval('return function ():int {};');
+        $line = __LINE__ - 1;
+
+        $this->assertDumpMatchesFormat(
+            <<<EOTXT
+Closure {
+  returnType: "int"
+  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
+  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
+  file: "%sReflectionCasterTest.php($line) : eval()'d code"
+  line: "1 to 1"
+}
+EOTXT
+            , $f
+        );
+    }
+
+    /**
+     * @requires PHP 7.0
+     */
+    public function testGenerator()
+    {
+        if (extension_loaded('xdebug')) {
+            $this->markTestSkipped('xdebug is active');
+        }
+
+        $generator = new GeneratorDemo();
+        $generator = $generator->baz();
+
+        $expectedDump = <<<'EODUMP'
+Generator {
+  this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
+  executing: {
+    Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo->baz() {
+      %sGeneratorDemo.php:14 {
+        › {
+        ›     yield from bar();
+        › }
+      }
+    }
+  }
+  closed: false
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $generator);
+
+        foreach ($generator as $v) {
+            break;
+        }
+
+        $expectedDump = <<<'EODUMP'
+array:2 [
+  0 => ReflectionGenerator {
+    this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
+    trace: {
+      %s%eTests%eFixtures%eGeneratorDemo.php:9 {
+        › {
+        ›     yield 1;
+        › }
+      }
+      %s%eTests%eFixtures%eGeneratorDemo.php:20 { …}
+      %s%eTests%eFixtures%eGeneratorDemo.php:14 { …}
+    }
+    closed: false
+  }
+  1 => Generator {
+    executing: {
+      Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo() {
+        %sGeneratorDemo.php:10 {
+          ›     yield 1;
+          › }
+          › 
+        }
+      }
+    }
+    closed: false
+  }
+]
+EODUMP;
+
+        $r = new \ReflectionGenerator($generator);
+        $this->assertDumpMatchesFormat($expectedDump, array($r, $r->getExecutingGenerator()));
+
+        foreach ($generator as $v) {
+        }
+
+        $expectedDump = <<<'EODUMP'
+Generator {
+  closed: true
+}
+EODUMP;
+        $this->assertDumpMatchesFormat($expectedDump, $generator);
+    }
+}
+
+function reflectionParameterFixture(NotLoadableClass $arg1 = null, $arg2)
+{
+}

vendor/symfony/var-dumper/Tests/Caster/SplCasterTest.php

@@ -0,0 +1,147 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+class SplCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function getCastFileInfoTests()
+    {
+        return array(
+            array(__FILE__, <<<'EOTXT'
+SplFileInfo {
+%Apath: "%sCaster"
+  filename: "SplCasterTest.php"
+  basename: "SplCasterTest.php"
+  pathname: "%sSplCasterTest.php"
+  extension: "php"
+  realPath: "%sSplCasterTest.php"
+  aTime: %s-%s-%d %d:%d:%d
+  mTime: %s-%s-%d %d:%d:%d
+  cTime: %s-%s-%d %d:%d:%d
+  inode: %d
+  size: %d
+  perms: 0%d
+  owner: %d
+  group: %d
+  type: "file"
+  writable: true
+  readable: true
+  executable: false
+  file: true
+  dir: false
+  link: false
+%A}
+EOTXT
+            ),
+            array('https://google.com/about', <<<'EOTXT'
+SplFileInfo {
+%Apath: "https://google.com"
+  filename: "about"
+  basename: "about"
+  pathname: "https://google.com/about"
+  extension: ""
+  realPath: false
+%A}
+EOTXT
+            ),
+        );
+    }
+
+    /** @dataProvider getCastFileInfoTests */
+    public function testCastFileInfo($file, $dump)
+    {
+        $this->assertDumpMatchesFormat($dump, new \SplFileInfo($file));
+    }
+
+    public function testCastFileObject()
+    {
+        $var = new \SplFileObject(__FILE__);
+        $var->setFlags(\SplFileObject::DROP_NEW_LINE | \SplFileObject::SKIP_EMPTY);
+        $dump = <<<'EOTXT'
+SplFileObject {
+%Apath: "%sCaster"
+  filename: "SplCasterTest.php"
+  basename: "SplCasterTest.php"
+  pathname: "%sSplCasterTest.php"
+  extension: "php"
+  realPath: "%sSplCasterTest.php"
+  aTime: %s-%s-%d %d:%d:%d
+  mTime: %s-%s-%d %d:%d:%d
+  cTime: %s-%s-%d %d:%d:%d
+  inode: %d
+  size: %d
+  perms: 0%d
+  owner: %d
+  group: %d
+  type: "file"
+  writable: true
+  readable: true
+  executable: false
+  file: true
+  dir: false
+  link: false
+%AcsvControl: array:%d [
+    0 => ","
+    1 => """
+%A]
+  flags: DROP_NEW_LINE|SKIP_EMPTY
+  maxLineLen: 0
+  fstat: array:26 [
+    "dev" => %d
+    "ino" => %d
+    "nlink" => %d
+    "rdev" => 0
+    "blksize" => %i
+    "blocks" => %i
+     …20
+  ]
+  eof: false
+  key: 0
+}
+EOTXT;
+        $this->assertDumpMatchesFormat($dump, $var);
+    }
+
+    /**
+     * @dataProvider provideCastSplDoublyLinkedList
+     */
+    public function testCastSplDoublyLinkedList($modeValue, $modeDump)
+    {
+        $var = new \SplDoublyLinkedList();
+        $var->setIteratorMode($modeValue);
+        $dump = <<<EOTXT
+SplDoublyLinkedList {
+%Amode: $modeDump
+  dllist: []
+}
+EOTXT;
+        $this->assertDumpMatchesFormat($dump, $var);
+    }
+
+    public function provideCastSplDoublyLinkedList()
+    {
+        return array(
+            array(\SplDoublyLinkedList::IT_MODE_FIFO, 'IT_MODE_FIFO | IT_MODE_KEEP'),
+            array(\SplDoublyLinkedList::IT_MODE_LIFO, 'IT_MODE_LIFO | IT_MODE_KEEP'),
+            array(\SplDoublyLinkedList::IT_MODE_FIFO | \SplDoublyLinkedList::IT_MODE_DELETE, 'IT_MODE_FIFO | IT_MODE_DELETE'),
+            array(\SplDoublyLinkedList::IT_MODE_LIFO | \SplDoublyLinkedList::IT_MODE_DELETE, 'IT_MODE_LIFO | IT_MODE_DELETE'),
+        );
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/StubCasterTest.php

@@ -0,0 +1,192 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\ArgsStub;
+use Symfony\Component\VarDumper\Caster\ClassStub;
+use Symfony\Component\VarDumper\Caster\LinkStub;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\HtmlDumper;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+use Symfony\Component\VarDumper\Tests\Fixtures\FooInterface;
+
+class StubCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function testArgsStubWithDefaults($foo = 234, $bar = 456)
+    {
+        $args = array(new ArgsStub(array(123), __FUNCTION__, __CLASS__));
+
+        $expectedDump = <<<'EODUMP'
+array:1 [
+  0 => {
+    $foo: 123
+  }
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $args);
+    }
+
+    public function testArgsStubWithExtraArgs($foo = 234)
+    {
+        $args = array(new ArgsStub(array(123, 456), __FUNCTION__, __CLASS__));
+
+        $expectedDump = <<<'EODUMP'
+array:1 [
+  0 => {
+    $foo: 123
+    ...: {
+      456
+    }
+  }
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $args);
+    }
+
+    public function testArgsStubNoParamWithExtraArgs()
+    {
+        $args = array(new ArgsStub(array(123), __FUNCTION__, __CLASS__));
+
+        $expectedDump = <<<'EODUMP'
+array:1 [
+  0 => {
+    123
+  }
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $args);
+    }
+
+    public function testArgsStubWithClosure()
+    {
+        $args = array(new ArgsStub(array(123), '{closure}', null));
+
+        $expectedDump = <<<'EODUMP'
+array:1 [
+  0 => {
+    123
+  }
+]
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $args);
+    }
+
+    public function testLinkStub()
+    {
+        $var = array(new LinkStub(__CLASS__, 0, __FILE__));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dumper->setDisplayOptions(array('fileLinkFormat' => '%f:%l'));
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<a href="%sStubCasterTest.php:0" rel="noopener noreferrer"><span class=sf-dump-str title="55 characters">Symfony\Component\VarDumper\Tests\Caster\StubCasterTest</span></a>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testLinkStubWithNoFileLink()
+    {
+        $var = array(new LinkStub('example.com', 0, 'http://example.com'));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dumper->setDisplayOptions(array('fileLinkFormat' => '%f:%l'));
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<a href="http://example.com" target="_blank" rel="noopener noreferrer"><span class=sf-dump-str title="11 characters">example.com</span></a>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testClassStub()
+    {
+        $var = array(new ClassStub('hello', array(FooInterface::class, 'foo')));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($var), true, array('fileLinkFormat' => '%f:%l'));
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<a href="%sFooInterface.php:10" rel="noopener noreferrer"><span class=sf-dump-str title="5 characters">hello</span></a>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testClassStubWithNotExistingClass()
+    {
+        $var = array(new ClassStub(NotExisting::class));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<span class=sf-dump-str title="Symfony\Component\VarDumper\Tests\Caster\NotExisting
+52 characters"><span class="sf-dump-ellipsis sf-dump-ellipsis-class">Symfony\Component\VarDumper\Tests\Caster</span><span class=sf-dump-ellipsis>\</span>NotExisting</span>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testClassStubWithNotExistingMethod()
+    {
+        $var = array(new ClassStub('hello', array(FooInterface::class, 'missing')));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($var), true, array('fileLinkFormat' => '%f:%l'));
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<a href="%sFooInterface.php:5" rel="noopener noreferrer"><span class=sf-dump-str title="5 characters">hello</span></a>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+}

vendor/symfony/var-dumper/Tests/Caster/XmlReaderCasterTest.php

@@ -0,0 +1,248 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Caster;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+/**
+ * @author Baptiste Clavié <clavie.b@gmail.com>
+ */
+class XmlReaderCasterTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    /** @var \XmlReader */
+    private $reader;
+
+    protected function setUp()
+    {
+        $this->reader = new \XmlReader();
+        $this->reader->open(__DIR__.'/../Fixtures/xml_reader.xml');
+    }
+
+    protected function tearDown()
+    {
+        $this->reader->close();
+    }
+
+    public function testParserProperty()
+    {
+        $this->reader->setParserProperty(\XMLReader::SUBST_ENTITIES, true);
+
+        $expectedDump = <<<'EODUMP'
+XMLReader {
+  +nodeType: NONE
+  parserProperties: {
+    SUBST_ENTITIES: true
+     …3
+  }
+   …12
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $this->reader);
+    }
+
+    /**
+     * @dataProvider provideNodes
+     */
+    public function testNodes($seek, $expectedDump)
+    {
+        while ($seek--) {
+            $this->reader->read();
+        }
+        $this->assertDumpMatchesFormat($expectedDump, $this->reader);
+    }
+
+    public function provideNodes()
+    {
+        return array(
+            array(0, <<<'EODUMP'
+XMLReader {
+  +nodeType: NONE
+   …13
+}
+EODUMP
+            ),
+            array(1, <<<'EODUMP'
+XMLReader {
+  +localName: "foo"
+  +nodeType: ELEMENT
+  +baseURI: "%sxml_reader.xml"
+   …11
+}
+EODUMP
+            ),
+            array(2, <<<'EODUMP'
+XMLReader {
+  +localName: "#text"
+  +nodeType: SIGNIFICANT_WHITESPACE
+  +depth: 1
+  +value: """
+    \n
+        
+    """
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(3, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: ELEMENT
+  +depth: 1
+  +baseURI: "%sxml_reader.xml"
+   …10
+}
+EODUMP
+            ),
+            array(4, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: END_ELEMENT
+  +depth: 1
+  +baseURI: "%sxml_reader.xml"
+   …10
+}
+EODUMP
+            ),
+            array(6, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: ELEMENT
+  +depth: 1
+  +isEmptyElement: true
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(9, <<<'EODUMP'
+XMLReader {
+  +localName: "#text"
+  +nodeType: TEXT
+  +depth: 2
+  +value: "With text"
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(12, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: ELEMENT
+  +depth: 1
+  +attributeCount: 2
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(13, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: END_ELEMENT
+  +depth: 1
+  +baseURI: "%sxml_reader.xml"
+   …10
+}
+EODUMP
+            ),
+            array(15, <<<'EODUMP'
+XMLReader {
+  +localName: "bar"
+  +nodeType: ELEMENT
+  +depth: 1
+  +attributeCount: 1
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(16, <<<'EODUMP'
+XMLReader {
+  +localName: "#text"
+  +nodeType: SIGNIFICANT_WHITESPACE
+  +depth: 2
+  +value: """
+    \n
+            
+    """
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(17, <<<'EODUMP'
+XMLReader {
+  +localName: "baz"
+  +prefix: "baz"
+  +nodeType: ELEMENT
+  +depth: 2
+  +namespaceURI: "http://symfony.com"
+  +baseURI: "%sxml_reader.xml"
+   …8
+}
+EODUMP
+            ),
+            array(18, <<<'EODUMP'
+XMLReader {
+  +localName: "baz"
+  +prefix: "baz"
+  +nodeType: END_ELEMENT
+  +depth: 2
+  +namespaceURI: "http://symfony.com"
+  +baseURI: "%sxml_reader.xml"
+   …8
+}
+EODUMP
+            ),
+            array(19, <<<'EODUMP'
+XMLReader {
+  +localName: "#text"
+  +nodeType: SIGNIFICANT_WHITESPACE
+  +depth: 2
+  +value: """
+    \n
+        
+    """
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(21, <<<'EODUMP'
+XMLReader {
+  +localName: "#text"
+  +nodeType: SIGNIFICANT_WHITESPACE
+  +depth: 1
+  +value: "\n"
+  +baseURI: "%sxml_reader.xml"
+   …9
+}
+EODUMP
+            ),
+            array(22, <<<'EODUMP'
+XMLReader {
+  +localName: "foo"
+  +nodeType: END_ELEMENT
+  +baseURI: "%sxml_reader.xml"
+   …11
+}
+EODUMP
+            ),
+        );
+    }
+}

vendor/symfony/var-dumper/Tests/Cloner/DataTest.php

@@ -0,0 +1,115 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Cloner;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\Caster;
+use Symfony\Component\VarDumper\Caster\ClassStub;
+use Symfony\Component\VarDumper\Cloner\Data;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+
+class DataTest extends TestCase
+{
+    public function testBasicData()
+    {
+        $values = array(1 => 123, 4.5, 'abc', null, false);
+        $data = $this->cloneVar($values);
+        $clonedValues = array();
+
+        $this->assertInstanceOf(Data::class, $data);
+        $this->assertCount(count($values), $data);
+        $this->assertFalse(isset($data->{0}));
+        $this->assertFalse(isset($data[0]));
+
+        foreach ($data as $k => $v) {
+            $this->assertTrue(isset($data->{$k}));
+            $this->assertTrue(isset($data[$k]));
+            $this->assertSame(gettype($values[$k]), $data->seek($k)->getType());
+            $this->assertSame($values[$k], $data->seek($k)->getValue());
+            $this->assertSame($values[$k], $data->{$k});
+            $this->assertSame($values[$k], $data[$k]);
+            $this->assertSame((string) $values[$k], (string) $data->seek($k));
+
+            $clonedValues[$k] = $v->getValue();
+        }
+
+        $this->assertSame($values, $clonedValues);
+    }
+
+    public function testObject()
+    {
+        $data = $this->cloneVar(new \Exception('foo'));
+
+        $this->assertSame('Exception', $data->getType());
+
+        $this->assertSame('foo', $data->message);
+        $this->assertSame('foo', $data->{Caster::PREFIX_PROTECTED.'message'});
+
+        $this->assertSame('foo', $data['message']);
+        $this->assertSame('foo', $data[Caster::PREFIX_PROTECTED.'message']);
+
+        $this->assertStringMatchesFormat('Exception (count=%d)', (string) $data);
+    }
+
+    public function testArray()
+    {
+        $values = array(array(), array(123));
+        $data = $this->cloneVar($values);
+
+        $this->assertSame($values, $data->getValue(true));
+
+        $children = $data->getValue();
+
+        $this->assertInternalType('array', $children);
+
+        $this->assertInstanceOf(Data::class, $children[0]);
+        $this->assertInstanceOf(Data::class, $children[1]);
+
+        $this->assertEquals($children[0], $data[0]);
+        $this->assertEquals($children[1], $data[1]);
+
+        $this->assertSame($values[0], $children[0]->getValue(true));
+        $this->assertSame($values[1], $children[1]->getValue(true));
+    }
+
+    public function testStub()
+    {
+        $data = $this->cloneVar(array(new ClassStub('stdClass')));
+        $data = $data[0];
+
+        $this->assertSame('string', $data->getType());
+        $this->assertSame('stdClass', $data->getValue());
+        $this->assertSame('stdClass', (string) $data);
+    }
+
+    public function testHardRefs()
+    {
+        $values = array(array());
+        $values[1] = &$values[0];
+        $values[2][0] = &$values[2];
+
+        $data = $this->cloneVar($values);
+
+        $this->assertSame(array(), $data[0]->getValue());
+        $this->assertSame(array(), $data[1]->getValue());
+        $this->assertEquals(array($data[2]->getValue()), $data[2]->getValue(true));
+
+        $this->assertSame('array (count=3)', (string) $data);
+    }
+
+    private function cloneVar($value)
+    {
+        $cloner = new VarCloner();
+
+        return $cloner->cloneVar($value);
+    }
+}

vendor/symfony/var-dumper/Tests/Cloner/VarClonerTest.php

@@ -0,0 +1,437 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Cloner;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class VarClonerTest extends TestCase
+{
+    public function testMaxIntBoundary()
+    {
+        $data = array(PHP_INT_MAX => 123);
+
+        $cloner = new VarCloner();
+        $clone = $cloner->cloneVar($data);
+
+        $expected = <<<EOTXT
+Symfony\Component\VarDumper\Cloner\Data Object
+(
+    [data:Symfony\Component\VarDumper\Cloner\Data:private] => Array
+        (
+            [0] => Array
+                (
+                    [0] => Array
+                        (
+                            [1] => 1
+                        )
+
+                )
+
+            [1] => Array
+                (
+                    [%s] => 123
+                )
+
+        )
+
+    [position:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [key:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [maxDepth:Symfony\Component\VarDumper\Cloner\Data:private] => 20
+    [maxItemsPerDepth:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+    [useRefHandles:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+)
+
+EOTXT;
+        $this->assertSame(sprintf($expected, PHP_INT_MAX), print_r($clone, true));
+    }
+
+    public function testClone()
+    {
+        $json = json_decode('{"1":{"var":"val"},"2":{"var":"val"}}');
+
+        $cloner = new VarCloner();
+        $clone = $cloner->cloneVar($json);
+
+        $expected = <<<EOTXT
+Symfony\Component\VarDumper\Cloner\Data Object
+(
+    [data:Symfony\Component\VarDumper\Cloner\Data:private] => Array
+        (
+            [0] => Array
+                (
+                    [0] => Symfony\Component\VarDumper\Cloner\Stub Object
+                        (
+                            [type] => 4
+                            [class] => stdClass
+                            [value] => 
+                            [cut] => 0
+                            [handle] => %i
+                            [refCount] => 0
+                            [position] => 1
+                            [attr] => Array
+                                (
+                                )
+
+                        )
+
+                )
+
+            [1] => Array
+                (
+                    [\000+\0001] => Symfony\Component\VarDumper\Cloner\Stub Object
+                        (
+                            [type] => 4
+                            [class] => stdClass
+                            [value] => 
+                            [cut] => 0
+                            [handle] => %i
+                            [refCount] => 0
+                            [position] => 2
+                            [attr] => Array
+                                (
+                                )
+
+                        )
+
+                    [\000+\0002] => Symfony\Component\VarDumper\Cloner\Stub Object
+                        (
+                            [type] => 4
+                            [class] => stdClass
+                            [value] => 
+                            [cut] => 0
+                            [handle] => %i
+                            [refCount] => 0
+                            [position] => 3
+                            [attr] => Array
+                                (
+                                )
+
+                        )
+
+                )
+
+            [2] => Array
+                (
+                    [\000+\000var] => val
+                )
+
+            [3] => Array
+                (
+                    [\000+\000var] => val
+                )
+
+        )
+
+    [position:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [key:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [maxDepth:Symfony\Component\VarDumper\Cloner\Data:private] => 20
+    [maxItemsPerDepth:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+    [useRefHandles:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+)
+
+EOTXT;
+        $this->assertStringMatchesFormat($expected, print_r($clone, true));
+    }
+
+    public function testLimits()
+    {
+        // Level 0:
+        $data = array(
+            // Level 1:
+            array(
+                // Level 2:
+                array(
+                    // Level 3:
+                    'Level 3 Item 0',
+                    'Level 3 Item 1',
+                    'Level 3 Item 2',
+                    'Level 3 Item 3',
+                ),
+                array(
+                    'Level 3 Item 4',
+                    'Level 3 Item 5',
+                    'Level 3 Item 6',
+                ),
+                array(
+                    'Level 3 Item 7',
+                ),
+            ),
+            array(
+                array(
+                    'Level 3 Item 8',
+                ),
+                'Level 2 Item 0',
+            ),
+            array(
+                'Level 2 Item 1',
+            ),
+            'Level 1 Item 0',
+            array(
+                // Test setMaxString:
+                'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+                'SHORT',
+            ),
+        );
+
+        $cloner = new VarCloner();
+        $cloner->setMinDepth(2);
+        $cloner->setMaxItems(5);
+        $cloner->setMaxString(20);
+        $clone = $cloner->cloneVar($data);
+
+        $expected = <<<EOTXT
+Symfony\Component\VarDumper\Cloner\Data Object
+(
+    [data:Symfony\Component\VarDumper\Cloner\Data:private] => Array
+        (
+            [0] => Array
+                (
+                    [0] => Array
+                        (
+                            [2] => 1
+                        )
+
+                )
+
+            [1] => Array
+                (
+                    [0] => Array
+                        (
+                            [2] => 2
+                        )
+
+                    [1] => Array
+                        (
+                            [2] => 3
+                        )
+
+                    [2] => Array
+                        (
+                            [2] => 4
+                        )
+
+                    [3] => Level 1 Item 0
+                    [4] => Array
+                        (
+                            [2] => 5
+                        )
+
+                )
+
+            [2] => Array
+                (
+                    [0] => Array
+                        (
+                            [2] => 6
+                        )
+
+                    [1] => Array
+                        (
+                            [0] => 2
+                            [2] => 7
+                        )
+
+                    [2] => Array
+                        (
+                            [0] => 1
+                            [2] => 0
+                        )
+
+                )
+
+            [3] => Array
+                (
+                    [0] => Array
+                        (
+                            [0] => 1
+                            [2] => 0
+                        )
+
+                    [1] => Level 2 Item 0
+                )
+
+            [4] => Array
+                (
+                    [0] => Level 2 Item 1
+                )
+
+            [5] => Array
+                (
+                    [0] => Symfony\Component\VarDumper\Cloner\Stub Object
+                        (
+                            [type] => 2
+                            [class] => 2
+                            [value] => ABCDEFGHIJKLMNOPQRST
+                            [cut] => 6
+                            [handle] => 0
+                            [refCount] => 0
+                            [position] => 0
+                            [attr] => Array
+                                (
+                                )
+
+                        )
+
+                    [1] => SHORT
+                )
+
+            [6] => Array
+                (
+                    [0] => Level 3 Item 0
+                    [1] => Level 3 Item 1
+                    [2] => Level 3 Item 2
+                    [3] => Level 3 Item 3
+                )
+
+            [7] => Array
+                (
+                    [0] => Level 3 Item 4
+                )
+
+        )
+
+    [position:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [key:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [maxDepth:Symfony\Component\VarDumper\Cloner\Data:private] => 20
+    [maxItemsPerDepth:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+    [useRefHandles:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+)
+
+EOTXT;
+        $this->assertStringMatchesFormat($expected, print_r($clone, true));
+    }
+
+    public function testJsonCast()
+    {
+        if (2 == ini_get('xdebug.overload_var_dump')) {
+            $this->markTestSkipped('xdebug is active');
+        }
+
+        $data = (array) json_decode('{"1":{}}');
+
+        $cloner = new VarCloner();
+        $clone = $cloner->cloneVar($data);
+
+        $expected = <<<'EOTXT'
+object(Symfony\Component\VarDumper\Cloner\Data)#%i (6) {
+  ["data":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  array(2) {
+    [0]=>
+    array(1) {
+      [0]=>
+      array(1) {
+        [1]=>
+        int(1)
+      }
+    }
+    [1]=>
+    array(1) {
+      ["1"]=>
+      object(Symfony\Component\VarDumper\Cloner\Stub)#%i (8) {
+        ["type"]=>
+        int(4)
+        ["class"]=>
+        string(8) "stdClass"
+        ["value"]=>
+        NULL
+        ["cut"]=>
+        int(0)
+        ["handle"]=>
+        int(%i)
+        ["refCount"]=>
+        int(0)
+        ["position"]=>
+        int(0)
+        ["attr"]=>
+        array(0) {
+        }
+      }
+    }
+  }
+  ["position":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  int(0)
+  ["key":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  int(0)
+  ["maxDepth":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  int(20)
+  ["maxItemsPerDepth":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  int(-1)
+  ["useRefHandles":"Symfony\Component\VarDumper\Cloner\Data":private]=>
+  int(-1)
+}
+
+EOTXT;
+        ob_start();
+        var_dump($clone);
+        $this->assertStringMatchesFormat(\PHP_VERSION_ID >= 70200 ? str_replace('"1"', '1', $expected) : $expected, ob_get_clean());
+    }
+
+    public function testCaster()
+    {
+        $cloner = new VarCloner(array(
+            '*' => function ($obj, $array) {
+                return array('foo' => 123);
+            },
+            __CLASS__ => function ($obj, $array) {
+                ++$array['foo'];
+
+                return $array;
+            },
+        ));
+        $clone = $cloner->cloneVar($this);
+
+        $expected = <<<EOTXT
+Symfony\Component\VarDumper\Cloner\Data Object
+(
+    [data:Symfony\Component\VarDumper\Cloner\Data:private] => Array
+        (
+            [0] => Array
+                (
+                    [0] => Symfony\Component\VarDumper\Cloner\Stub Object
+                        (
+                            [type] => 4
+                            [class] => %s
+                            [value] => 
+                            [cut] => 0
+                            [handle] => %i
+                            [refCount] => 0
+                            [position] => 1
+                            [attr] => Array
+                                (
+                                )
+
+                        )
+
+                )
+
+            [1] => Array
+                (
+                    [foo] => 124
+                )
+
+        )
+
+    [position:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [key:Symfony\Component\VarDumper\Cloner\Data:private] => 0
+    [maxDepth:Symfony\Component\VarDumper\Cloner\Data:private] => 20
+    [maxItemsPerDepth:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+    [useRefHandles:Symfony\Component\VarDumper\Cloner\Data:private] => -1
+)
+
+EOTXT;
+        $this->assertStringMatchesFormat($expected, print_r($clone, true));
+    }
+}

vendor/symfony/var-dumper/Tests/Dumper/CliDumperTest.php

@@ -0,0 +1,591 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Dumper;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+use Twig\Environment;
+use Twig\Loader\FilesystemLoader;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CliDumperTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function testGet()
+    {
+        require __DIR__.'/../Fixtures/dumb-var.php';
+
+        $dumper = new CliDumper('php://output');
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+        $cloner->addCasters(array(
+            ':stream' => function ($res, $a) {
+                unset($a['uri'], $a['wrapper_data']);
+
+                return $a;
+            },
+        ));
+        $data = $cloner->cloneVar($var);
+
+        ob_start();
+        $dumper->dump($data);
+        $out = ob_get_clean();
+        $out = preg_replace('/[ \t]+$/m', '', $out);
+        $intMax = PHP_INT_MAX;
+        $res = (int) $var['res'];
+
+        $r = defined('HHVM_VERSION') ? '' : '#%d';
+        $this->assertStringMatchesFormat(
+            <<<EOTXT
+array:24 [
+  "number" => 1
+  0 => &1 null
+  "const" => 1.1
+  1 => true
+  2 => false
+  3 => NAN
+  4 => INF
+  5 => -INF
+  6 => {$intMax}
+  "str" => "déjà\\n"
+  7 => b"é\\x00"
+  "[]" => []
+  "res" => stream resource {@{$res}
+%A  wrapper_type: "plainfile"
+    stream_type: "STDIO"
+    mode: "r"
+    unread_bytes: 0
+    seekable: true
+%A  options: []
+  }
+  "obj" => Symfony\Component\VarDumper\Tests\Fixture\DumbFoo {#%d
+    +foo: "foo"
+    +"bar": "bar"
+  }
+  "closure" => Closure {{$r}
+    class: "Symfony\Component\VarDumper\Tests\Dumper\CliDumperTest"
+    this: Symfony\Component\VarDumper\Tests\Dumper\CliDumperTest {{$r} …}
+    parameters: {
+      \$a: {}
+      &\$b: {
+        typeHint: "PDO"
+        default: null
+      }
+    }
+    file: "%s%eTests%eFixtures%edumb-var.php"
+    line: "{$var['line']} to {$var['line']}"
+  }
+  "line" => {$var['line']}
+  "nobj" => array:1 [
+    0 => &3 {#%d}
+  ]
+  "recurs" => &4 array:1 [
+    0 => &4 array:1 [&4]
+  ]
+  8 => &1 null
+  "sobj" => Symfony\Component\VarDumper\Tests\Fixture\DumbFoo {#%d}
+  "snobj" => &3 {#%d}
+  "snobj2" => {#%d}
+  "file" => "{$var['file']}"
+  b"bin-key-é" => ""
+]
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    /**
+     * @dataProvider provideDumpWithCommaFlagTests
+     */
+    public function testDumpWithCommaFlag($expected, $flags)
+    {
+        $dumper = new CliDumper(null, null, $flags);
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+
+        $var = array(
+            'array' => array('a', 'b'),
+            'string' => 'hello',
+            'multiline string' => "this\nis\na\multiline\nstring",
+        );
+
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $this->assertSame($expected, $dump);
+    }
+
+    public function testDumpWithCommaFlagsAndExceptionCodeExcerpt()
+    {
+        $dumper = new CliDumper(null, null, CliDumper::DUMP_TRAILING_COMMA);
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+
+        $ex = new \RuntimeException('foo');
+
+        $dump = $dumper->dump($cloner->cloneVar($ex)->withRefHandles(false), true);
+
+        $this->assertStringMatchesFormat(<<<'EOTXT'
+RuntimeException {
+  #message: "foo"
+  #code: 0
+  #file: "%ACliDumperTest.php"
+  #line: %d
+  trace: {
+    %ACliDumperTest.php:%d {
+      › 
+      › $ex = new \RuntimeException('foo');
+      › 
+    }
+    %A
+  }
+}
+
+EOTXT
+            , $dump);
+    }
+
+    public function provideDumpWithCommaFlagTests()
+    {
+        $expected = <<<'EOTXT'
+array:3 [
+  "array" => array:2 [
+    0 => "a",
+    1 => "b"
+  ],
+  "string" => "hello",
+  "multiline string" => """
+    this\n
+    is\n
+    a\multiline\n
+    string
+    """
+]
+
+EOTXT;
+
+        yield array($expected, CliDumper::DUMP_COMMA_SEPARATOR);
+
+        $expected = <<<'EOTXT'
+array:3 [
+  "array" => array:2 [
+    0 => "a",
+    1 => "b",
+  ],
+  "string" => "hello",
+  "multiline string" => """
+    this\n
+    is\n
+    a\multiline\n
+    string
+    """,
+]
+
+EOTXT;
+
+        yield array($expected, CliDumper::DUMP_TRAILING_COMMA);
+    }
+
+    /**
+     * @requires extension xml
+     */
+    public function testXmlResource()
+    {
+        $var = xml_parser_create();
+
+        $this->assertDumpMatchesFormat(
+            <<<'EOTXT'
+xml resource {
+  current_byte_index: %i
+  current_column_number: %i
+  current_line_number: 1
+  error_code: XML_ERROR_NONE
+}
+EOTXT
+            ,
+            $var
+        );
+    }
+
+    public function testJsonCast()
+    {
+        $var = (array) json_decode('{"0":{},"1":null}');
+        foreach ($var as &$v) {
+        }
+        $var[] = &$v;
+        $var[''] = 2;
+
+        if (\PHP_VERSION_ID >= 70200) {
+            $this->assertDumpMatchesFormat(
+                <<<'EOTXT'
+array:4 [
+  0 => {}
+  1 => &1 null
+  2 => &1 null
+  "" => 2
+]
+EOTXT
+                ,
+                $var
+            );
+        } else {
+            $this->assertDumpMatchesFormat(
+                <<<'EOTXT'
+array:4 [
+  "0" => {}
+  "1" => &1 null
+  0 => &1 null
+  "" => 2
+]
+EOTXT
+                ,
+                $var
+            );
+        }
+    }
+
+    public function testObjectCast()
+    {
+        $var = (object) array(1 => 1);
+        $var->{1} = 2;
+
+        if (\PHP_VERSION_ID >= 70200) {
+            $this->assertDumpMatchesFormat(
+                <<<'EOTXT'
+{
+  +"1": 2
+}
+EOTXT
+                ,
+                $var
+            );
+        } else {
+            $this->assertDumpMatchesFormat(
+                <<<'EOTXT'
+{
+  +1: 1
+  +"1": 2
+}
+EOTXT
+                ,
+                $var
+            );
+        }
+    }
+
+    public function testClosedResource()
+    {
+        if (defined('HHVM_VERSION') && HHVM_VERSION_ID < 30600) {
+            $this->markTestSkipped();
+        }
+
+        $var = fopen(__FILE__, 'r');
+        fclose($var);
+
+        $dumper = new CliDumper('php://output');
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+        $data = $cloner->cloneVar($var);
+
+        ob_start();
+        $dumper->dump($data);
+        $out = ob_get_clean();
+        $res = (int) $var;
+
+        $this->assertStringMatchesFormat(
+            <<<EOTXT
+Closed resource @{$res}
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    public function testFlags()
+    {
+        putenv('DUMP_LIGHT_ARRAY=1');
+        putenv('DUMP_STRING_LENGTH=1');
+
+        $var = array(
+            range(1, 3),
+            array('foo', 2 => 'bar'),
+        );
+
+        $this->assertDumpEquals(
+            <<<EOTXT
+[
+  [
+    1
+    2
+    3
+  ]
+  [
+    0 => (3) "foo"
+    2 => (3) "bar"
+  ]
+]
+EOTXT
+            ,
+            $var
+        );
+
+        putenv('DUMP_LIGHT_ARRAY=');
+        putenv('DUMP_STRING_LENGTH=');
+    }
+
+    /**
+     * @requires function Twig\Template::getSourceContext
+     */
+    public function testThrowingCaster()
+    {
+        $out = fopen('php://memory', 'r+b');
+
+        require_once __DIR__.'/../Fixtures/Twig.php';
+        $twig = new \__TwigTemplate_VarDumperFixture_u75a09(new Environment(new FilesystemLoader()));
+
+        $dumper = new CliDumper();
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+        $cloner->addCasters(array(
+            ':stream' => function ($res, $a) {
+                unset($a['wrapper_data']);
+
+                return $a;
+            },
+        ));
+        $cloner->addCasters(array(
+            ':stream' => eval('return function () use ($twig) {
+                try {
+                    $twig->render(array());
+                } catch (\Twig\Error\RuntimeError $e) {
+                    throw $e->getPrevious();
+                }
+            };'),
+        ));
+        $ref = (int) $out;
+
+        $data = $cloner->cloneVar($out);
+        $dumper->dump($data, $out);
+        $out = stream_get_contents($out, -1, 0);
+
+        $r = defined('HHVM_VERSION') ? '' : '#%d';
+        $this->assertStringMatchesFormat(
+            <<<EOTXT
+stream resource {@{$ref}
+  ⚠: Symfony\Component\VarDumper\Exception\ThrowingCasterException {{$r}
+    #message: "Unexpected Exception thrown from a caster: Foobar"
+    trace: {
+      %sTwig.php:2 {
+        › foo bar
+        ›   twig source
+        › 
+      }
+      %s%eTemplate.php:%d { …}
+      %s%eTemplate.php:%d { …}
+      %s%eTemplate.php:%d { …}
+      %s%eTests%eDumper%eCliDumperTest.php:%d { …}
+%A  }
+  }
+%Awrapper_type: "PHP"
+  stream_type: "MEMORY"
+  mode: "%s+b"
+  unread_bytes: 0
+  seekable: true
+  uri: "php://memory"
+%Aoptions: []
+}
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    public function testRefsInProperties()
+    {
+        $var = (object) array('foo' => 'foo');
+        $var->bar = &$var->foo;
+
+        $dumper = new CliDumper();
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+
+        $data = $cloner->cloneVar($var);
+        $out = $dumper->dump($data, true);
+
+        $r = defined('HHVM_VERSION') ? '' : '#%d';
+        $this->assertStringMatchesFormat(
+            <<<EOTXT
+{{$r}
+  +"foo": &1 "foo"
+  +"bar": &1 "foo"
+}
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     * @requires PHP 5.6
+     */
+    public function testSpecialVars56()
+    {
+        $var = $this->getSpecialVars();
+
+        $this->assertDumpEquals(
+            <<<'EOTXT'
+array:3 [
+  0 => array:1 [
+    0 => &1 array:1 [
+      0 => &1 array:1 [&1]
+    ]
+  ]
+  1 => array:1 [
+    "GLOBALS" => &2 array:1 [
+      "GLOBALS" => &2 array:1 [&2]
+    ]
+  ]
+  2 => &2 array:1 [&2]
+]
+EOTXT
+            ,
+            $var
+        );
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testGlobalsNoExt()
+    {
+        $var = $this->getSpecialVars();
+        unset($var[0]);
+        $out = '';
+
+        $dumper = new CliDumper(function ($line, $depth) use (&$out) {
+            if ($depth >= 0) {
+                $out .= str_repeat('  ', $depth).$line."\n";
+            }
+        });
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+
+        $refl = new \ReflectionProperty($cloner, 'useExt');
+        $refl->setAccessible(true);
+        $refl->setValue($cloner, false);
+
+        $data = $cloner->cloneVar($var);
+        $dumper->dump($data);
+
+        $this->assertSame(
+            <<<'EOTXT'
+array:2 [
+  1 => array:1 [
+    "GLOBALS" => &1 array:1 [
+      "GLOBALS" => &1 array:1 [&1]
+    ]
+  ]
+  2 => &1 array:1 [&1]
+]
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testBuggyRefs()
+    {
+        if (\PHP_VERSION_ID >= 50600) {
+            $this->markTestSkipped('PHP 5.6 fixed refs counting');
+        }
+
+        $var = $this->getSpecialVars();
+        $var = $var[0];
+
+        $dumper = new CliDumper();
+        $dumper->setColors(false);
+        $cloner = new VarCloner();
+
+        $data = $cloner->cloneVar($var)->withMaxDepth(3);
+        $out = '';
+        $dumper->dump($data, function ($line, $depth) use (&$out) {
+            if ($depth >= 0) {
+                $out .= str_repeat('  ', $depth).$line."\n";
+            }
+        });
+
+        $this->assertSame(
+            <<<'EOTXT'
+array:1 [
+  0 => array:1 [
+    0 => array:1 [
+      0 => array:1 [ …1]
+    ]
+  ]
+]
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    public function testIncompleteClass()
+    {
+        $unserializeCallbackHandler = ini_set('unserialize_callback_func', null);
+        $var = unserialize('O:8:"Foo\Buzz":0:{}');
+        ini_set('unserialize_callback_func', $unserializeCallbackHandler);
+
+        $this->assertDumpMatchesFormat(
+            <<<EOTXT
+__PHP_Incomplete_Class(Foo\Buzz) {}
+EOTXT
+            ,
+            $var
+        );
+    }
+
+    private function getSpecialVars()
+    {
+        foreach (array_keys($GLOBALS) as $var) {
+            if ('GLOBALS' !== $var) {
+                unset($GLOBALS[$var]);
+            }
+        }
+
+        $var = function &() {
+            $var = array();
+            $var[] = &$var;
+
+            return $var;
+        };
+
+        return array($var(), $GLOBALS, &$GLOBALS);
+    }
+}

vendor/symfony/var-dumper/Tests/Dumper/HtmlDumperTest.php

@@ -0,0 +1,164 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Dumper;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\HtmlDumper;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class HtmlDumperTest extends TestCase
+{
+    public function testGet()
+    {
+        require __DIR__.'/../Fixtures/dumb-var.php';
+
+        $dumper = new HtmlDumper('php://output');
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $cloner = new VarCloner();
+        $cloner->addCasters(array(
+            ':stream' => function ($res, $a) {
+                unset($a['uri'], $a['wrapper_data']);
+
+                return $a;
+            },
+        ));
+        $data = $cloner->cloneVar($var);
+
+        ob_start();
+        $dumper->dump($data);
+        $out = ob_get_clean();
+        $out = preg_replace('/[ \t]+$/m', '', $out);
+        $var['file'] = htmlspecialchars($var['file'], ENT_QUOTES, 'UTF-8');
+        $intMax = PHP_INT_MAX;
+        preg_match('/sf-dump-\d+/', $out, $dumpId);
+        $dumpId = $dumpId[0];
+        $res = (int) $var['res'];
+
+        $r = defined('HHVM_VERSION') ? '' : '<a class=sf-dump-ref>#%d</a>';
+        $this->assertStringMatchesFormat(
+            <<<EOTXT
+<foo></foo><bar><span class=sf-dump-note>array:24</span> [<samp>
+  "<span class=sf-dump-key>number</span>" => <span class=sf-dump-num>1</span>
+  <span class=sf-dump-key>0</span> => <a class=sf-dump-ref href=#{$dumpId}-ref01 title="2 occurrences">&amp;1</a> <span class=sf-dump-const>null</span>
+  "<span class=sf-dump-key>const</span>" => <span class=sf-dump-num>1.1</span>
+  <span class=sf-dump-key>1</span> => <span class=sf-dump-const>true</span>
+  <span class=sf-dump-key>2</span> => <span class=sf-dump-const>false</span>
+  <span class=sf-dump-key>3</span> => <span class=sf-dump-num>NAN</span>
+  <span class=sf-dump-key>4</span> => <span class=sf-dump-num>INF</span>
+  <span class=sf-dump-key>5</span> => <span class=sf-dump-num>-INF</span>
+  <span class=sf-dump-key>6</span> => <span class=sf-dump-num>{$intMax}</span>
+  "<span class=sf-dump-key>str</span>" => "<span class=sf-dump-str title="5 characters">d&%s;j&%s;<span class=sf-dump-default>\\n</span></span>"
+  <span class=sf-dump-key>7</span> => b"<span class=sf-dump-str title="2 binary or non-UTF-8 characters">&%s;<span class=sf-dump-default>\\x00</span></span>"
+  "<span class=sf-dump-key>[]</span>" => []
+  "<span class=sf-dump-key>res</span>" => <span class=sf-dump-note>stream resource</span> <a class=sf-dump-ref>@{$res}</a><samp>
+%A  <span class=sf-dump-meta>wrapper_type</span>: "<span class=sf-dump-str title="9 characters">plainfile</span>"
+    <span class=sf-dump-meta>stream_type</span>: "<span class=sf-dump-str title="5 characters">STDIO</span>"
+    <span class=sf-dump-meta>mode</span>: "<span class=sf-dump-str>r</span>"
+    <span class=sf-dump-meta>unread_bytes</span>: <span class=sf-dump-num>0</span>
+    <span class=sf-dump-meta>seekable</span>: <span class=sf-dump-const>true</span>
+%A  <span class=sf-dump-meta>options</span>: []
+  </samp>}
+  "<span class=sf-dump-key>obj</span>" => <abbr title="Symfony\Component\VarDumper\Tests\Fixture\DumbFoo" class=sf-dump-note>DumbFoo</abbr> {<a class=sf-dump-ref href=#{$dumpId}-ref2%d title="2 occurrences">#%d</a><samp id={$dumpId}-ref2%d>
+    +<span class=sf-dump-public title="Public property">foo</span>: "<span class=sf-dump-str title="3 characters">foo</span>"
+    +"<span class=sf-dump-public title="Runtime added dynamic property">bar</span>": "<span class=sf-dump-str title="3 characters">bar</span>"
+  </samp>}
+  "<span class=sf-dump-key>closure</span>" => <span class=sf-dump-note>Closure</span> {{$r}<samp>
+    <span class=sf-dump-meta>class</span>: "<span class=sf-dump-str title="Symfony\Component\VarDumper\Tests\Dumper\HtmlDumperTest
+55 characters"><span class="sf-dump-ellipsis sf-dump-ellipsis-class">Symfony\Component\VarDumper\Tests\Dumper</span><span class=sf-dump-ellipsis>\</span>HtmlDumperTest</span>"
+    <span class=sf-dump-meta>this</span>: <abbr title="Symfony\Component\VarDumper\Tests\Dumper\HtmlDumperTest" class=sf-dump-note>HtmlDumperTest</abbr> {{$r} &%s;}
+    <span class=sf-dump-meta>parameters</span>: {<samp>
+      <span class=sf-dump-meta>\$a</span>: {}
+      <span class=sf-dump-meta>&amp;\$b</span>: {<samp>
+        <span class=sf-dump-meta>typeHint</span>: "<span class=sf-dump-str title="3 characters">PDO</span>"
+        <span class=sf-dump-meta>default</span>: <span class=sf-dump-const>null</span>
+      </samp>}
+    </samp>}
+    <span class=sf-dump-meta>file</span>: "<span class=sf-dump-str title="{$var['file']}
+%d characters"><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class=sf-dump-ellipsis>%e</span>Tests%eFixtures%edumb-var.php</span>"
+    <span class=sf-dump-meta>line</span>: "<span class=sf-dump-str title="%d characters">{$var['line']} to {$var['line']}</span>"
+  </samp>}
+  "<span class=sf-dump-key>line</span>" => <span class=sf-dump-num>{$var['line']}</span>
+  "<span class=sf-dump-key>nobj</span>" => <span class=sf-dump-note>array:1</span> [<samp>
+    <span class=sf-dump-index>0</span> => <a class=sf-dump-ref href=#{$dumpId}-ref03 title="2 occurrences">&amp;3</a> {<a class=sf-dump-ref href=#{$dumpId}-ref2%d title="3 occurrences">#%d</a>}
+  </samp>]
+  "<span class=sf-dump-key>recurs</span>" => <a class=sf-dump-ref href=#{$dumpId}-ref04 title="2 occurrences">&amp;4</a> <span class=sf-dump-note>array:1</span> [<samp id={$dumpId}-ref04>
+    <span class=sf-dump-index>0</span> => <a class=sf-dump-ref href=#{$dumpId}-ref04 title="2 occurrences">&amp;4</a> <span class=sf-dump-note>array:1</span> [<a class=sf-dump-ref href=#{$dumpId}-ref04 title="2 occurrences">&amp;4</a>]
+  </samp>]
+  <span class=sf-dump-key>8</span> => <a class=sf-dump-ref href=#{$dumpId}-ref01 title="2 occurrences">&amp;1</a> <span class=sf-dump-const>null</span>
+  "<span class=sf-dump-key>sobj</span>" => <abbr title="Symfony\Component\VarDumper\Tests\Fixture\DumbFoo" class=sf-dump-note>DumbFoo</abbr> {<a class=sf-dump-ref href=#{$dumpId}-ref2%d title="2 occurrences">#%d</a>}
+  "<span class=sf-dump-key>snobj</span>" => <a class=sf-dump-ref href=#{$dumpId}-ref03 title="2 occurrences">&amp;3</a> {<a class=sf-dump-ref href=#{$dumpId}-ref2%d title="3 occurrences">#%d</a>}
+  "<span class=sf-dump-key>snobj2</span>" => {<a class=sf-dump-ref href=#{$dumpId}-ref2%d title="3 occurrences">#%d</a>}
+  "<span class=sf-dump-key>file</span>" => "<span class=sf-dump-str title="%d characters">{$var['file']}</span>"
+  b"<span class=sf-dump-key>bin-key-&%s;</span>" => ""
+</samp>]
+</bar>
+
+EOTXT
+            ,
+
+            $out
+        );
+    }
+
+    public function testCharset()
+    {
+        $var = mb_convert_encoding('Словарь', 'CP1251', 'UTF-8');
+
+        $dumper = new HtmlDumper('php://output', 'CP1251');
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $cloner = new VarCloner();
+
+        $data = $cloner->cloneVar($var);
+        $out = $dumper->dump($data, true);
+
+        $this->assertStringMatchesFormat(
+            <<<'EOTXT'
+<foo></foo><bar>b"<span class=sf-dump-str title="7 binary or non-UTF-8 characters">&#1057;&#1083;&#1086;&#1074;&#1072;&#1088;&#1100;</span>"
+</bar>
+
+EOTXT
+            ,
+            $out
+        );
+    }
+
+    public function testAppend()
+    {
+        $out = fopen('php://memory', 'r+b');
+
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $cloner = new VarCloner();
+
+        $dumper->dump($cloner->cloneVar(123), $out);
+        $dumper->dump($cloner->cloneVar(456), $out);
+
+        $out = stream_get_contents($out, -1, 0);
+
+        $this->assertSame(<<<'EOTXT'
+<foo></foo><bar><span class=sf-dump-num>123</span>
+</bar>
+<bar><span class=sf-dump-num>456</span>
+</bar>
+
+EOTXT
+            ,
+            $out
+        );
+    }
+}

vendor/symfony/var-dumper/Tests/Fixtures/FooInterface.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Symfony\Component\VarDumper\Tests\Fixtures;
+
+interface FooInterface
+{
+    /**
+     * Hello.
+     */
+    public function foo();
+}

vendor/symfony/var-dumper/Tests/Fixtures/GeneratorDemo.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Symfony\Component\VarDumper\Tests\Fixtures;
+
+class GeneratorDemo
+{
+    public static function foo()
+    {
+        yield 1;
+    }
+
+    public function baz()
+    {
+        yield from bar();
+    }
+}
+
+function bar()
+{
+    yield from GeneratorDemo::foo();
+}

vendor/symfony/var-dumper/Tests/Fixtures/NotLoadableClass.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\VarDumper\Tests\Fixtures;
+
+class NotLoadableClass extends NotLoadableClass
+{
+}

vendor/symfony/var-dumper/Tests/Fixtures/Twig.php

@@ -0,0 +1,38 @@
+<?php
+
+/* foo.twig */
+class __TwigTemplate_VarDumperFixture_u75a09 extends Twig\Template
+{
+    private $path;
+
+    public function __construct(Twig\Environment $env = null, $path = null)
+    {
+        if (null !== $env) {
+            parent::__construct($env);
+        }
+        $this->parent = false;
+        $this->blocks = array();
+        $this->path = $path;
+    }
+
+    protected function doDisplay(array $context, array $blocks = array())
+    {
+        // line 2
+        throw new \Exception('Foobar');
+    }
+
+    public function getTemplateName()
+    {
+        return 'foo.twig';
+    }
+
+    public function getDebugInfo()
+    {
+        return array(20 => 1, 21 => 2);
+    }
+
+    public function getSourceContext()
+    {
+        return new Twig\Source("   foo bar\n     twig source\n\n", 'foo.twig', $this->path ?: __FILE__);
+    }
+}

vendor/symfony/var-dumper/Tests/Fixtures/dumb-var.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Symfony\Component\VarDumper\Tests\Fixture;
+
+if (!class_exists('Symfony\Component\VarDumper\Tests\Fixture\DumbFoo')) {
+    class DumbFoo
+    {
+        public $foo = 'foo';
+    }
+}
+
+$foo = new DumbFoo();
+$foo->bar = 'bar';
+
+$g = fopen(__FILE__, 'r');
+
+$var = array(
+    'number' => 1, null,
+    'const' => 1.1, true, false, NAN, INF, -INF, PHP_INT_MAX,
+    'str' => "déjà\n", "\xE9\x00",
+    '[]' => array(),
+    'res' => $g,
+    'obj' => $foo,
+    'closure' => function ($a, \PDO &$b = null) {},
+    'line' => __LINE__ - 1,
+    'nobj' => array((object) array()),
+);
+
+$r = array();
+$r[] = &$r;
+
+$var['recurs'] = &$r;
+$var[] = &$var[0];
+$var['sobj'] = $var['obj'];
+$var['snobj'] = &$var['nobj'][0];
+$var['snobj2'] = $var['nobj'][0];
+$var['file'] = __FILE__;
+$var["bin-key-\xE9"] = '';
+
+unset($g, $r);

vendor/symfony/var-dumper/Tests/Fixtures/xml_reader.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<foo>
+    <bar></bar>
+    <bar />
+    <bar>With text</bar>
+    <bar foo="bar" baz="fubar"></bar>
+    <bar xmlns:baz="http://symfony.com">
+        <baz:baz></baz:baz>
+    </bar>
+</foo>

vendor/symfony/var-dumper/Tests/Test/VarDumperTestTraitTest.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Test;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
+
+class VarDumperTestTraitTest extends TestCase
+{
+    use VarDumperTestTrait;
+
+    public function testItComparesLargeData()
+    {
+        $howMany = 700;
+        $data = array_fill_keys(range(0, $howMany), array('a', 'b', 'c', 'd'));
+
+        $expected = sprintf("array:%d [\n", $howMany + 1);
+        for ($i = 0; $i <= $howMany; ++$i) {
+            $expected .= <<<EODUMP
+  $i => array:4 [
+    0 => "a"
+    1 => "b"
+    2 => "c"
+    3 => "d"
+  ]\n
+EODUMP;
+        }
+        $expected .= "]\n";
+
+        $this->assertDumpEquals($expected, $data);
+    }
+}

vendor/symfony/var-dumper/VarDumper.php

@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper;
+
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+use Symfony\Component\VarDumper\Dumper\HtmlDumper;
+
+// Load the global dump() function
+require_once __DIR__.'/Resources/functions/dump.php';
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class VarDumper
+{
+    private static $handler;
+
+    public static function dump($var)
+    {
+        if (null === self::$handler) {
+            $cloner = new VarCloner();
+            $dumper = in_array(PHP_SAPI, array('cli', 'phpdbg')) ? new CliDumper() : new HtmlDumper();
+            self::$handler = function ($var) use ($cloner, $dumper) {
+                $dumper->dump($cloner->cloneVar($var));
+            };
+        }
+
+        return call_user_func(self::$handler, $var);
+    }
+
+    public static function setHandler(callable $callable = null)
+    {
+        $prevHandler = self::$handler;
+        self::$handler = $callable;
+
+        return $prevHandler;
+    }
+}

vendor/symfony/var-dumper/composer.json

@@ -0,0 +1,47 @@
+{
+    "name": "symfony/var-dumper",
+    "type": "library",
+    "description": "Symfony mechanism for exploring and dumping PHP variables",
+    "keywords": ["dump", "debug"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Nicolas Grekas",
+            "email": "p@tchwork.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": "^5.5.9|>=7.0.8",
+        "symfony/polyfill-mbstring": "~1.0"
+    },
+    "require-dev": {
+        "ext-iconv": "*",
+        "twig/twig": "~1.34|~2.4"
+    },
+    "conflict": {
+        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
+    },
+    "suggest": {
+        "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
+        "ext-intl": "To show region name in time zone dump",
+        "ext-symfony_debug": ""
+    },
+    "autoload": {
+        "files": [ "Resources/functions/dump.php" ],
+        "psr-4": { "Symfony\\Component\\VarDumper\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.4-dev"
+        }
+    }
+}

vendor/symfony/var-dumper/phpunit.xml.dist

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+        <env name="DUMP_LIGHT_ARRAY" value="" />
+        <env name="DUMP_STRING_LENGTH" value="" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony VarDumper Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Resources</directory>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>