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Theodotos Andreou 2018-01-14 13:10:16 +00:00
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331
vendor/symfony/var-dumper/Cloner/AbstractCloner.php vendored Normal file
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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\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;
}
}

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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\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);
}

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vendor/symfony/var-dumper/Cloner/Cursor.php vendored Normal file
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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\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;
}

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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\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;
}
}

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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\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);
}

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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\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);
}
}

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vendor/symfony/var-dumper/Cloner/VarCloner.php vendored Normal file
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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\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));
}
}