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drupal-civicrm/sites/all/modules/civicrm/packages/Smarty/Smarty.class.php

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2018-01-14 15:10:16 +02:00
<?php
/**
* Project: Smarty: the PHP compiling template engine
* File: Smarty.class.php
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For questions, help, comments, discussion, etc., please join the
* Smarty mailing list. Send a blank e-mail to
* smarty-discussion-subscribe@googlegroups.com
*
* @link http://www.smarty.net/
* @copyright 2001-2005 New Digital Group, Inc.
* @author Monte Ohrt <monte at ohrt dot com>
* @author Andrei Zmievski <andrei@php.net>
* @package Smarty
* @version 2.6.30
*/
/* $Id$ */
/**
* DIR_SEP isn't used anymore, but third party apps might
*/
if(!defined('DIR_SEP')) {
define('DIR_SEP', DIRECTORY_SEPARATOR);
}
/**
* set SMARTY_DIR to absolute path to Smarty library files.
* if not defined, include_path will be used. Sets SMARTY_DIR only if user
* application has not already defined it.
*/
if (!defined('SMARTY_DIR')) {
define('SMARTY_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR);
}
if (!defined('SMARTY_CORE_DIR')) {
define('SMARTY_CORE_DIR', SMARTY_DIR . 'internals' . DIRECTORY_SEPARATOR);
}
define('SMARTY_PHP_PASSTHRU', 0);
define('SMARTY_PHP_QUOTE', 1);
define('SMARTY_PHP_REMOVE', 2);
define('SMARTY_PHP_ALLOW', 3);
/**
* @package Smarty
*/
class Smarty
{
/**#@+
* Smarty Configuration Section
*/
/**
* The name of the directory where templates are located.
*
* @var string
*/
var $template_dir = 'templates';
/**
* The directory where compiled templates are located.
*
* @var string
*/
var $compile_dir = 'templates_c';
/**
* The directory where config files are located.
*
* @var string
*/
var $config_dir = 'configs';
/**
* An array of directories searched for plugins.
*
* @var array
*/
var $plugins_dir = array('plugins');
/**
* If debugging is enabled, a debug console window will display
* when the page loads (make sure your browser allows unrequested
* popup windows)
*
* @var boolean
*/
var $debugging = false;
/**
* When set, smarty does uses this value as error_reporting-level.
*
* @var integer
*/
var $error_reporting = null;
/**
* This is the path to the debug console template. If not set,
* the default one will be used.
*
* @var string
*/
var $debug_tpl = '';
/**
* This determines if debugging is enable-able from the browser.
* <ul>
* <li>NONE => no debugging control allowed</li>
* <li>URL => enable debugging when SMARTY_DEBUG is found in the URL.</li>
* </ul>
* @link http://www.foo.dom/index.php?SMARTY_DEBUG
* @var string
*/
var $debugging_ctrl = 'NONE';
/**
* This tells Smarty whether to check for recompiling or not. Recompiling
* does not need to happen unless a template or config file is changed.
* Typically you enable this during development, and disable for
* production.
*
* @var boolean
*/
var $compile_check = true;
/**
* This forces templates to compile every time. Useful for development
* or debugging.
*
* @var boolean
*/
var $force_compile = false;
/**
* This enables template caching.
* <ul>
* <li>0 = no caching</li>
* <li>1 = use class cache_lifetime value</li>
* <li>2 = use cache_lifetime in cache file</li>
* </ul>
* @var integer
*/
var $caching = 0;
/**
* The name of the directory for cache files.
*
* @var string
*/
var $cache_dir = 'cache';
/**
* This is the number of seconds cached content will persist.
* <ul>
* <li>0 = always regenerate cache</li>
* <li>-1 = never expires</li>
* </ul>
*
* @var integer
*/
var $cache_lifetime = 3600;
/**
* Only used when $caching is enabled. If true, then If-Modified-Since headers
* are respected with cached content, and appropriate HTTP headers are sent.
* This way repeated hits to a cached page do not send the entire page to the
* client every time.
*
* @var boolean
*/
var $cache_modified_check = false;
/**
* This determines how Smarty handles "<?php ... ?>" tags in templates.
* possible values:
* <ul>
* <li>SMARTY_PHP_PASSTHRU -> print tags as plain text</li>
* <li>SMARTY_PHP_QUOTE -> escape tags as entities</li>
* <li>SMARTY_PHP_REMOVE -> remove php tags</li>
* <li>SMARTY_PHP_ALLOW -> execute php tags</li>
* </ul>
*
* @var integer
*/
var $php_handling = SMARTY_PHP_PASSTHRU;
/**
* This enables template security. When enabled, many things are restricted
* in the templates that normally would go unchecked. This is useful when
* untrusted parties are editing templates and you want a reasonable level
* of security. (no direct execution of PHP in templates for example)
*
* @var boolean
*/
var $security = false;
/**
* This is the list of template directories that are considered secure. This
* is used only if {@link $security} is enabled. One directory per array
* element. {@link $template_dir} is in this list implicitly.
*
* @var array
*/
var $secure_dir = array();
/**
* These are the security settings for Smarty. They are used only when
* {@link $security} is enabled.
*
* @var array
*/
var $security_settings = array(
'PHP_HANDLING' => false,
'IF_FUNCS' => array('array', 'list',
'isset', 'empty',
'count', 'sizeof',
'in_array', 'is_array',
'true', 'false', 'null'),
'INCLUDE_ANY' => false,
'PHP_TAGS' => false,
'MODIFIER_FUNCS' => array('count'),
'ALLOW_CONSTANTS' => false,
'ALLOW_SUPER_GLOBALS' => true
);
/**
* This is an array of directories where trusted php scripts reside.
* {@link $security} is disabled during their inclusion/execution.
*
* @var array
*/
var $trusted_dir = array();
/**
* The left delimiter used for the template tags.
*
* @var string
*/
var $left_delimiter = '{';
/**
* The right delimiter used for the template tags.
*
* @var string
*/
var $right_delimiter = '}';
/**
* The order in which request variables are registered, similar to
* variables_order in php.ini E = Environment, G = GET, P = POST,
* C = Cookies, S = Server
*
* @var string
*/
var $request_vars_order = 'EGPCS';
/**
* Indicates wether $HTTP_*_VARS[] (request_use_auto_globals=false)
* are uses as request-vars or $_*[]-vars. note: if
* request_use_auto_globals is true, then $request_vars_order has
* no effect, but the php-ini-value "gpc_order"
*
* @var boolean
*/
var $request_use_auto_globals = true;
/**
* Set this if you want different sets of compiled files for the same
* templates. This is useful for things like different languages.
* Instead of creating separate sets of templates per language, you
* set different compile_ids like 'en' and 'de'.
*
* @var string
*/
var $compile_id = null;
/**
* This tells Smarty whether or not to use sub dirs in the cache/ and
* templates_c/ directories. sub directories better organized, but
* may not work well with PHP safe mode enabled.
*
* @var boolean
*
*/
var $use_sub_dirs = false;
/**
* This is a list of the modifiers to apply to all template variables.
* Put each modifier in a separate array element in the order you want
* them applied. example: <code>array('escape:"htmlall"');</code>
*
* @var array
*/
var $default_modifiers = array();
/**
* This is the resource type to be used when not specified
* at the beginning of the resource path. examples:
* $smarty->display('file:index.tpl');
* $smarty->display('db:index.tpl');
* $smarty->display('index.tpl'); // will use default resource type
* {include file="file:index.tpl"}
* {include file="db:index.tpl"}
* {include file="index.tpl"} {* will use default resource type *}
*
* @var array
*/
var $default_resource_type = 'file';
/**
* The function used for cache file handling. If not set, built-in caching is used.
*
* @var null|string function name
*/
var $cache_handler_func = null;
/**
* This indicates which filters are automatically loaded into Smarty.
*
* @var array array of filter names
*/
var $autoload_filters = array();
/**#@+
* @var boolean
*/
/**
* This tells if config file vars of the same name overwrite each other or not.
* if disabled, same name variables are accumulated in an array.
*/
var $config_overwrite = true;
/**
* This tells whether or not to automatically booleanize config file variables.
* If enabled, then the strings "on", "true", and "yes" are treated as boolean
* true, and "off", "false" and "no" are treated as boolean false.
*/
var $config_booleanize = true;
/**
* This tells whether hidden sections [.foobar] are readable from the
* tempalates or not. Normally you would never allow this since that is
* the point behind hidden sections: the application can access them, but
* the templates cannot.
*/
var $config_read_hidden = false;
/**
* This tells whether or not automatically fix newlines in config files.
* It basically converts \r (mac) or \r\n (dos) to \n
*/
var $config_fix_newlines = true;
/**#@-*/
/**
* If a template cannot be found, this PHP function will be executed.
* Useful for creating templates on-the-fly or other special action.
*
* @var string function name
*/
var $default_template_handler_func = '';
/**
* The file that contains the compiler class. This can a full
* pathname, or relative to the php_include path.
*
* @var string
*/
var $compiler_file = 'Smarty_Compiler.class.php';
/**
* The class used for compiling templates.
*
* @var string
*/
var $compiler_class = 'Smarty_Compiler';
/**
* The class used to load config vars.
*
* @var string
*/
var $config_class = 'Config_File';
/**#@+
* END Smarty Configuration Section
* There should be no need to touch anything below this line.
* @access private
*/
/**
* where assigned template vars are kept
*
* @var array
*/
var $_tpl_vars = array();
/**
* stores run-time $smarty.* vars
*
* @var null|array
*/
var $_smarty_vars = null;
/**
* keeps track of sections
*
* @var array
*/
var $_sections = array();
/**
* keeps track of foreach blocks
*
* @var array
*/
var $_foreach = array();
/**
* keeps track of tag hierarchy
*
* @var array
*/
var $_tag_stack = array();
/**
* configuration object
*
* @var Config_file
*/
var $_conf_obj = null;
/**
* loaded configuration settings
*
* @var array
*/
var $_config = array(array('vars' => array(), 'files' => array()));
/**
* md5 checksum of the string 'Smarty'
*
* @var string
*/
var $_smarty_md5 = 'f8d698aea36fcbead2b9d5359ffca76f';
/**
* Smarty version number
*
* @var string
*/
var $_version = '2.6.30';
/**
* current template inclusion depth
*
* @var integer
*/
var $_inclusion_depth = 0;
/**
* for different compiled templates
*
* @var string
*/
var $_compile_id = null;
/**
* text in URL to enable debug mode
*
* @var string
*/
var $_smarty_debug_id = 'SMARTY_DEBUG';
/**
* debugging information for debug console
*
* @var array
*/
var $_smarty_debug_info = array();
/**
* info that makes up a cache file
*
* @var array
*/
var $_cache_info = array();
/**
* default file permissions
*
* @var integer
*/
var $_file_perms = 0644;
/**
* default dir permissions
*
* @var integer
*/
var $_dir_perms = 0771;
/**
* registered objects
*
* @var array
*/
var $_reg_objects = array();
/**
* table keeping track of plugins
*
* @var array
*/
var $_plugins = array(
'modifier' => array(),
'function' => array(),
'block' => array(),
'compiler' => array(),
'prefilter' => array(),
'postfilter' => array(),
'outputfilter' => array(),
'resource' => array(),
'insert' => array());
/**
* cache serials
*
* @var array
*/
var $_cache_serials = array();
/**
* name of optional cache include file
*
* @var string
*/
var $_cache_include = null;
/**
* indicate if the current code is used in a compiled
* include
*
* @var string
*/
var $_cache_including = false;
/**
* plugin filepath cache
*
* @var array
*/
var $_filepaths_cache = array();
/**#@-*/
/**
* The class constructor.
*/
public function __construct()
{
$this->assign('SCRIPT_NAME', isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME']
: @$GLOBALS['HTTP_SERVER_VARS']['SCRIPT_NAME']);
}
/**
* assigns values to template variables
*
* @param array|string $tpl_var the template variable name(s)
* @param mixed $value the value to assign
*/
function assign($tpl_var, $value = null)
{
if (is_array($tpl_var)){
foreach ($tpl_var as $key => $val) {
if ($key != '') {
$this->_tpl_vars[$key] = $val;
}
}
} else {
if ($tpl_var != '')
$this->_tpl_vars[$tpl_var] = $value;
}
}
/**
* assigns values to template variables by reference
*
* @param string $tpl_var the template variable name
* @param mixed $value the referenced value to assign
*/
function assign_by_ref($tpl_var, &$value)
{
if ($tpl_var != '')
$this->_tpl_vars[$tpl_var] = &$value;
}
/**
* appends values to template variables
*
* @param array|string $tpl_var the template variable name(s)
* @param mixed $value the value to append
*/
function append($tpl_var, $value=null, $merge=false)
{
if (is_array($tpl_var)) {
// $tpl_var is an array, ignore $value
foreach ($tpl_var as $_key => $_val) {
if ($_key != '') {
if(!@is_array($this->_tpl_vars[$_key])) {
settype($this->_tpl_vars[$_key],'array');
}
if($merge && is_array($_val)) {
foreach($_val as $_mkey => $_mval) {
$this->_tpl_vars[$_key][$_mkey] = $_mval;
}
} else {
$this->_tpl_vars[$_key][] = $_val;
}
}
}
} else {
if ($tpl_var != '' && isset($value)) {
if(!@is_array($this->_tpl_vars[$tpl_var])) {
settype($this->_tpl_vars[$tpl_var],'array');
}
if($merge && is_array($value)) {
foreach($value as $_mkey => $_mval) {
$this->_tpl_vars[$tpl_var][$_mkey] = $_mval;
}
} else {
$this->_tpl_vars[$tpl_var][] = $value;
}
}
}
}
/**
* appends values to template variables by reference
*
* @param string $tpl_var the template variable name
* @param mixed $value the referenced value to append
*/
function append_by_ref($tpl_var, &$value, $merge=false)
{
if ($tpl_var != '' && isset($value)) {
if(!@is_array($this->_tpl_vars[$tpl_var])) {
settype($this->_tpl_vars[$tpl_var],'array');
}
if ($merge && is_array($value)) {
foreach($value as $_key => $_val) {
$this->_tpl_vars[$tpl_var][$_key] = &$value[$_key];
}
} else {
$this->_tpl_vars[$tpl_var][] = &$value;
}
}
}
/**
* clear the given assigned template variable.
*
* @param string $tpl_var the template variable to clear
*/
function clear_assign($tpl_var)
{
if (is_array($tpl_var))
foreach ($tpl_var as $curr_var)
unset($this->_tpl_vars[$curr_var]);
else
unset($this->_tpl_vars[$tpl_var]);
}
/**
* Registers custom function to be used in templates
*
* @param string $function the name of the template function
* @param string $function_impl the name of the PHP function to register
*/
function register_function($function, $function_impl, $cacheable=true, $cache_attrs=null)
{
$this->_plugins['function'][$function] =
array($function_impl, null, null, false, $cacheable, $cache_attrs);
}
/**
* Unregisters custom function
*
* @param string $function name of template function
*/
function unregister_function($function)
{
unset($this->_plugins['function'][$function]);
}
/**
* Registers object to be used in templates
*
* @param string $object name of template object
* @param object &$object_impl the referenced PHP object to register
* @param null|array $allowed list of allowed methods (empty = all)
* @param boolean $smarty_args smarty argument format, else traditional
* @param null|array $block_functs list of methods that are block format
*/
function register_object($object, &$object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
{
settype($allowed, 'array');
settype($smarty_args, 'boolean');
$this->_reg_objects[$object] =
array(&$object_impl, $allowed, $smarty_args, $block_methods);
}
/**
* Unregisters object
*
* @param string $object name of template object
*/
function unregister_object($object)
{
unset($this->_reg_objects[$object]);
}
/**
* Registers block function to be used in templates
*
* @param string $block name of template block
* @param string $block_impl PHP function to register
*/
function register_block($block, $block_impl, $cacheable=true, $cache_attrs=null)
{
$this->_plugins['block'][$block] =
array($block_impl, null, null, false, $cacheable, $cache_attrs);
}
/**
* Unregisters block function
*
* @param string $block name of template function
*/
function unregister_block($block)
{
unset($this->_plugins['block'][$block]);
}
/**
* Registers compiler function
*
* @param string $function name of template function
* @param string $function_impl name of PHP function to register
*/
function register_compiler_function($function, $function_impl, $cacheable=true)
{
$this->_plugins['compiler'][$function] =
array($function_impl, null, null, false, $cacheable);
}
/**
* Unregisters compiler function
*
* @param string $function name of template function
*/
function unregister_compiler_function($function)
{
unset($this->_plugins['compiler'][$function]);
}
/**
* Registers modifier to be used in templates
*
* @param string $modifier name of template modifier
* @param string $modifier_impl name of PHP function to register
*/
function register_modifier($modifier, $modifier_impl)
{
$this->_plugins['modifier'][$modifier] =
array($modifier_impl, null, null, false);
}
/**
* Unregisters modifier
*
* @param string $modifier name of template modifier
*/
function unregister_modifier($modifier)
{
unset($this->_plugins['modifier'][$modifier]);
}
/**
* Registers a resource to fetch a template
*
* @param string $type name of resource
* @param array $functions array of functions to handle resource
*/
function register_resource($type, $functions)
{
if (count($functions)==4) {
$this->_plugins['resource'][$type] =
array($functions, false);
} elseif (count($functions)==5) {
$this->_plugins['resource'][$type] =
array(array(array(&$functions[0], $functions[1])
,array(&$functions[0], $functions[2])
,array(&$functions[0], $functions[3])
,array(&$functions[0], $functions[4]))
,false);
} else {
$this->trigger_error("malformed function-list for '$type' in register_resource");
}
}
/**
* Unregisters a resource
*
* @param string $type name of resource
*/
function unregister_resource($type)
{
unset($this->_plugins['resource'][$type]);
}
/**
* Registers a prefilter function to apply
* to a template before compiling
*
* @param callback $function
*/
function register_prefilter($function)
{
$this->_plugins['prefilter'][$this->_get_filter_name($function)]
= array($function, null, null, false);
}
/**
* Unregisters a prefilter function
*
* @param callback $function
*/
function unregister_prefilter($function)
{
unset($this->_plugins['prefilter'][$this->_get_filter_name($function)]);
}
/**
* Registers a postfilter function to apply
* to a compiled template after compilation
*
* @param callback $function
*/
function register_postfilter($function)
{
$this->_plugins['postfilter'][$this->_get_filter_name($function)]
= array($function, null, null, false);
}
/**
* Unregisters a postfilter function
*
* @param callback $function
*/
function unregister_postfilter($function)
{
unset($this->_plugins['postfilter'][$this->_get_filter_name($function)]);
}
/**
* Registers an output filter function to apply
* to a template output
*
* @param callback $function
*/
function register_outputfilter($function)
{
$this->_plugins['outputfilter'][$this->_get_filter_name($function)]
= array($function, null, null, false);
}
/**
* Unregisters an outputfilter function
*
* @param callback $function
*/
function unregister_outputfilter($function)
{
unset($this->_plugins['outputfilter'][$this->_get_filter_name($function)]);
}
/**
* load a filter of specified type and name
*
* @param string $type filter type
* @param string $name filter name
*/
function load_filter($type, $name)
{
switch ($type) {
case 'output':
$_params = array('plugins' => array(array($type . 'filter', $name, null, null, false)));
require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
smarty_core_load_plugins($_params, $this);
break;
case 'pre':
case 'post':
if (!isset($this->_plugins[$type . 'filter'][$name]))
$this->_plugins[$type . 'filter'][$name] = false;
break;
}
}
/**
* clear cached content for the given template and cache id
*
* @param string $tpl_file name of template file
* @param string $cache_id name of cache_id
* @param string $compile_id name of compile_id
* @param string $exp_time expiration time
* @return boolean
*/
function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null)
{
if (!isset($compile_id))
$compile_id = $this->compile_id;
if (!isset($tpl_file))
$compile_id = null;
$_auto_id = $this->_get_auto_id($cache_id, $compile_id);
if (!empty($this->cache_handler_func)) {
return call_user_func_array($this->cache_handler_func,
array('clear', &$this, &$dummy, $tpl_file, $cache_id, $compile_id, $exp_time));
} else {
$_params = array('auto_base' => $this->cache_dir,
'auto_source' => $tpl_file,
'auto_id' => $_auto_id,
'exp_time' => $exp_time);
require_once(SMARTY_CORE_DIR . 'core.rm_auto.php');
return smarty_core_rm_auto($_params, $this);
}
}
/**
* clear the entire contents of cache (all templates)
*
* @param string $exp_time expire time
* @return boolean results of {@link smarty_core_rm_auto()}
*/
function clear_all_cache($exp_time = null)
{
return $this->clear_cache(null, null, null, $exp_time);
}
/**
* test to see if valid cache exists for this template
*
* @param string $tpl_file name of template file
* @param string $cache_id
* @param string $compile_id
* @return string|false results of {@link _read_cache_file()}
*/
function is_cached($tpl_file, $cache_id = null, $compile_id = null)
{
if (!$this->caching)
return false;
if (!isset($compile_id))
$compile_id = $this->compile_id;
$_params = array(
'tpl_file' => $tpl_file,
'cache_id' => $cache_id,
'compile_id' => $compile_id
);
require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php');
return smarty_core_read_cache_file($_params, $this);
}
/**
* clear all the assigned template variables.
*
*/
function clear_all_assign()
{
$this->_tpl_vars = array();
}
/**
* clears compiled version of specified template resource,
* or all compiled template files if one is not specified.
* This function is for advanced use only, not normally needed.
*
* @param string $tpl_file
* @param string $compile_id
* @param string $exp_time
* @return boolean results of {@link smarty_core_rm_auto()}
*/
function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null)
{
if (!isset($compile_id)) {
$compile_id = $this->compile_id;
}
$_params = array('auto_base' => $this->compile_dir,
'auto_source' => $tpl_file,
'auto_id' => $compile_id,
'exp_time' => $exp_time,
'extensions' => array('.inc', '.php'));
require_once(SMARTY_CORE_DIR . 'core.rm_auto.php');
return smarty_core_rm_auto($_params, $this);
}
/**
* Checks whether requested template exists.
*
* @param string $tpl_file
* @return boolean
*/
function template_exists($tpl_file)
{
$_params = array('resource_name' => $tpl_file, 'quiet'=>true, 'get_source'=>false);
return $this->_fetch_resource_info($_params);
}
/**
* Returns an array containing template variables
*
* @param string $name
* @param string $type
* @return array
*/
function &get_template_vars($name=null)
{
if(!isset($name)) {
return $this->_tpl_vars;
} elseif(isset($this->_tpl_vars[$name])) {
return $this->_tpl_vars[$name];
} else {
// var non-existant, return valid reference
$_tmp = null;
return $_tmp;
}
}
/**
* Returns an array containing config variables
*
* @param string $name
* @param string $type
* @return array
*/
function &get_config_vars($name=null)
{
if(!isset($name) && is_array($this->_config[0])) {
return $this->_config[0]['vars'];
} else if(isset($this->_config[0]['vars'][$name])) {
return $this->_config[0]['vars'][$name];
} else {
// var non-existant, return valid reference
$_tmp = null;
return $_tmp;
}
}
/**
* trigger Smarty error
*
* @param string $error_msg
* @param integer $error_type
*/
function trigger_error($error_msg, $error_type = E_USER_WARNING)
{
$msg = htmlentities($error_msg);
trigger_error("Smarty error: $msg", $error_type);
}
/**
* executes & displays the template results
*
* @param string $resource_name
* @param string $cache_id
* @param string $compile_id
*/
function display($resource_name, $cache_id = null, $compile_id = null)
{
$this->fetch($resource_name, $cache_id, $compile_id, true);
}
/**
* executes & returns or displays the template results
*
* @param string $resource_name
* @param string $cache_id
* @param string $compile_id
* @param boolean $display
*/
function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false)
{
static $_cache_info = array();
$_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting)
? $this->error_reporting : error_reporting() & ~E_NOTICE);
if (!$this->debugging && $this->debugging_ctrl == 'URL') {
$_query_string = $this->request_use_auto_globals ? $_SERVER['QUERY_STRING'] : $GLOBALS['HTTP_SERVER_VARS']['QUERY_STRING'];
if (@strstr($_query_string, $this->_smarty_debug_id)) {
if (@strstr($_query_string, $this->_smarty_debug_id . '=on')) {
// enable debugging for this browser session
@setcookie('SMARTY_DEBUG', true);
$this->debugging = true;
} elseif (@strstr($_query_string, $this->_smarty_debug_id . '=off')) {
// disable debugging for this browser session
@setcookie('SMARTY_DEBUG', false);
$this->debugging = false;
} else {
// enable debugging for this page
$this->debugging = true;
}
} else {
$this->debugging = (bool)($this->request_use_auto_globals ? @$_COOKIE['SMARTY_DEBUG'] : @$GLOBALS['HTTP_COOKIE_VARS']['SMARTY_DEBUG']);
}
}
if ($this->debugging) {
// capture time for debugging info
$_params = array();
require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
$_debug_start_time = smarty_core_get_microtime($_params, $this);
$this->_smarty_debug_info[] = array('type' => 'template',
'filename' => $resource_name,
'depth' => 0);
$_included_tpls_idx = count($this->_smarty_debug_info) - 1;
}
if (!isset($compile_id)) {
$compile_id = $this->compile_id;
}
$this->_compile_id = $compile_id;
$this->_inclusion_depth = 0;
if ($this->caching) {
// save old cache_info, initialize cache_info
array_push($_cache_info, $this->_cache_info);
$this->_cache_info = array();
$_params = array(
'tpl_file' => $resource_name,
'cache_id' => $cache_id,
'compile_id' => $compile_id,
'results' => null
);
require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php');
if (smarty_core_read_cache_file($_params, $this)) {
$_smarty_results = $_params['results'];
if (!empty($this->_cache_info['insert_tags'])) {
$_params = array('plugins' => $this->_cache_info['insert_tags']);
require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
smarty_core_load_plugins($_params, $this);
$_params = array('results' => $_smarty_results);
require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
$_smarty_results = smarty_core_process_cached_inserts($_params, $this);
}
if (!empty($this->_cache_info['cache_serials'])) {
$_params = array('results' => $_smarty_results);
require_once(SMARTY_CORE_DIR . 'core.process_compiled_include.php');
$_smarty_results = smarty_core_process_compiled_include($_params, $this);
}
if ($display) {
if ($this->debugging)
{
// capture time for debugging info
$_params = array();
require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
$this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $_debug_start_time;
require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
$_smarty_results .= smarty_core_display_debug_console($_params, $this);
}
if ($this->cache_modified_check) {
$_server_vars = ($this->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
$_last_modified_date = @substr($_server_vars['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_server_vars['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
$_gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
if (@count($this->_cache_info['insert_tags']) == 0
&& !$this->_cache_serials
&& $_gmt_mtime == $_last_modified_date) {
if (php_sapi_name()=='cgi')
header('Status: 304 Not Modified');
else
header('HTTP/1.1 304 Not Modified');
} else {
header('Last-Modified: '.$_gmt_mtime);
echo $_smarty_results;
}
} else {
echo $_smarty_results;
}
error_reporting($_smarty_old_error_level);
// restore initial cache_info
$this->_cache_info = array_pop($_cache_info);
return true;
} else {
error_reporting($_smarty_old_error_level);
// restore initial cache_info
$this->_cache_info = array_pop($_cache_info);
return $_smarty_results;
}
} else {
$this->_cache_info['template'][$resource_name] = true;
if ($this->cache_modified_check && $display) {
header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT');
}
}
}
// load filters that are marked as autoload
if (count($this->autoload_filters)) {
foreach ($this->autoload_filters as $_filter_type => $_filters) {
foreach ($_filters as $_filter) {
$this->load_filter($_filter_type, $_filter);
}
}
}
$_smarty_compile_path = $this->_get_compile_path($resource_name);
// if we just need to display the results, don't perform output
// buffering - for speed
$_cache_including = $this->_cache_including;
$this->_cache_including = false;
if ($display && !$this->caching && count($this->_plugins['outputfilter']) == 0) {
if ($this->_is_compiled($resource_name, $_smarty_compile_path)
|| $this->_compile_resource($resource_name, $_smarty_compile_path))
{
include($_smarty_compile_path);
}
} else {
ob_start();
if ($this->_is_compiled($resource_name, $_smarty_compile_path)
|| $this->_compile_resource($resource_name, $_smarty_compile_path))
{
include($_smarty_compile_path);
}
$_smarty_results = ob_get_contents();
ob_end_clean();
foreach ((array)$this->_plugins['outputfilter'] as $_output_filter) {
$_smarty_results = call_user_func_array($_output_filter[0], array($_smarty_results, &$this));
}
}
if ($this->caching) {
$_params = array('tpl_file' => $resource_name,
'cache_id' => $cache_id,
'compile_id' => $compile_id,
'results' => $_smarty_results);
require_once(SMARTY_CORE_DIR . 'core.write_cache_file.php');
smarty_core_write_cache_file($_params, $this);
require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
$_smarty_results = smarty_core_process_cached_inserts($_params, $this);
if ($this->_cache_serials) {
// strip nocache-tags from output
$_smarty_results = preg_replace('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!s'
,''
,$_smarty_results);
}
// restore initial cache_info
$this->_cache_info = array_pop($_cache_info);
}
$this->_cache_including = $_cache_including;
if ($display) {
if (isset($_smarty_results)) { echo $_smarty_results; }
if ($this->debugging) {
// capture time for debugging info
$_params = array();
require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
$this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = (smarty_core_get_microtime($_params, $this) - $_debug_start_time);
require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
echo smarty_core_display_debug_console($_params, $this);
}
error_reporting($_smarty_old_error_level);
return;
} else {
error_reporting($_smarty_old_error_level);
if (isset($_smarty_results)) { return $_smarty_results; }
}
}
/**
* load configuration values
*
* @param string $file
* @param string $section
* @param string $scope
*/
function config_load($file, $section = null, $scope = 'global')
{
require_once($this->_get_plugin_filepath('function', 'config_load'));
smarty_function_config_load(array('file' => $file, 'section' => $section, 'scope' => $scope), $this);
}
/**
* return a reference to a registered object
*
* @param string $name
* @return object
*/
function &get_registered_object($name) {
if (!isset($this->_reg_objects[$name]))
$this->_trigger_fatal_error("'$name' is not a registered object");
if (!is_object($this->_reg_objects[$name][0]))
$this->_trigger_fatal_error("registered '$name' is not an object");
return $this->_reg_objects[$name][0];
}
/**
* clear configuration values
*
* @param string $var
*/
function clear_config($var = null)
{
if(!isset($var)) {
// clear all values
$this->_config = array(array('vars' => array(),
'files' => array()));
} else {
unset($this->_config[0]['vars'][$var]);
}
}
/**
* get filepath of requested plugin
*
* @param string $type
* @param string $name
* @return string|false
*/
function _get_plugin_filepath($type, $name)
{
$_params = array('type' => $type, 'name' => $name);
require_once(SMARTY_CORE_DIR . 'core.assemble_plugin_filepath.php');
return smarty_core_assemble_plugin_filepath($_params, $this);
}
/**
* test if resource needs compiling
*
* @param string $resource_name
* @param string $compile_path
* @return boolean
*/
function _is_compiled($resource_name, $compile_path)
{
if (!$this->force_compile && file_exists($compile_path)) {
if (!$this->compile_check) {
// no need to check compiled file
return true;
} else {
// get file source and timestamp
$_params = array('resource_name' => $resource_name, 'get_source'=>false);
if (!$this->_fetch_resource_info($_params)) {
return false;
}
if ($_params['resource_timestamp'] <= filemtime($compile_path)) {
// template not expired, no recompile
return true;
} else {
// compile template
return false;
}
}
} else {
// compiled template does not exist, or forced compile
return false;
}
}
/**
* compile the template
*
* @param string $resource_name
* @param string $compile_path
* @return boolean
*/
function _compile_resource($resource_name, $compile_path)
{
$_params = array('resource_name' => $resource_name);
if (!$this->_fetch_resource_info($_params)) {
return false;
}
$_source_content = $_params['source_content'];
$_cache_include = substr($compile_path, 0, -4).'.inc';
if ($this->_compile_source($resource_name, $_source_content, $_compiled_content, $_cache_include)) {
// if a _cache_serial was set, we also have to write an include-file:
if ($this->_cache_include_info) {
require_once(SMARTY_CORE_DIR . 'core.write_compiled_include.php');
smarty_core_write_compiled_include(array_merge($this->_cache_include_info, array('compiled_content'=>$_compiled_content, 'resource_name'=>$resource_name)), $this);
}
$_params = array('compile_path'=>$compile_path, 'compiled_content' => $_compiled_content);
require_once(SMARTY_CORE_DIR . 'core.write_compiled_resource.php');
smarty_core_write_compiled_resource($_params, $this);
return true;
} else {
return false;
}
}
/**
* compile the given source
*
* @param string $resource_name
* @param string $source_content
* @param string $compiled_content
* @return boolean
*/
function _compile_source($resource_name, &$source_content, &$compiled_content, $cache_include_path=null)
{
if (file_exists(SMARTY_DIR . $this->compiler_file)) {
require_once(SMARTY_DIR . $this->compiler_file);
} else {
// use include_path
require_once($this->compiler_file);
}
$smarty_compiler = new $this->compiler_class;
$smarty_compiler->template_dir = $this->template_dir;
$smarty_compiler->compile_dir = $this->compile_dir;
$smarty_compiler->plugins_dir = $this->plugins_dir;
$smarty_compiler->config_dir = $this->config_dir;
$smarty_compiler->force_compile = $this->force_compile;
$smarty_compiler->caching = $this->caching;
$smarty_compiler->php_handling = $this->php_handling;
$smarty_compiler->left_delimiter = $this->left_delimiter;
$smarty_compiler->right_delimiter = $this->right_delimiter;
$smarty_compiler->_version = $this->_version;
$smarty_compiler->security = $this->security;
$smarty_compiler->secure_dir = $this->secure_dir;
$smarty_compiler->security_settings = $this->security_settings;
$smarty_compiler->trusted_dir = $this->trusted_dir;
$smarty_compiler->use_sub_dirs = $this->use_sub_dirs;
$smarty_compiler->_reg_objects = &$this->_reg_objects;
$smarty_compiler->_plugins = &$this->_plugins;
$smarty_compiler->_tpl_vars = &$this->_tpl_vars;
$smarty_compiler->default_modifiers = $this->default_modifiers;
$smarty_compiler->compile_id = $this->_compile_id;
$smarty_compiler->_config = $this->_config;
$smarty_compiler->request_use_auto_globals = $this->request_use_auto_globals;
if (isset($cache_include_path) && isset($this->_cache_serials[$cache_include_path])) {
$smarty_compiler->_cache_serial = $this->_cache_serials[$cache_include_path];
}
$smarty_compiler->_cache_include = $cache_include_path;
$_results = $smarty_compiler->_compile_file($resource_name, $source_content, $compiled_content);
if ($smarty_compiler->_cache_serial) {
$this->_cache_include_info = array(
'cache_serial'=>$smarty_compiler->_cache_serial
,'plugins_code'=>$smarty_compiler->_plugins_code
,'include_file_path' => $cache_include_path);
} else {
$this->_cache_include_info = null;
}
return $_results;
}
/**
* Get the compile path for this resource
*
* @param string $resource_name
* @return string results of {@link _get_auto_filename()}
*/
function _get_compile_path($resource_name)
{
$compilePath = $this->_get_auto_filename($this->compile_dir, $resource_name,
$this->_compile_id) . '.php';
//for 'string:' resource smarty might going to fail to create
//compile file, so make sure we should have valid path, CRM-5890
$matches = array( );
if ( preg_match( '/^(\s+)?string:/', $resource_name, $matches ) ) {
if ( !$this->validateCompilePath( $compilePath ) ) {
$compilePath = $this->_get_auto_filename( $this->compile_dir,
time().rand(),
$this->_compile_id );
$compilePath .= '.php';
}
}
return $compilePath;
}
/**
* do check can smarty create a file w/ given path.
*/
function validateCompilePath( $compilePath ) {
//first check for directory.
$dirname = dirname( $compilePath );
if ( !is_dir( $dirname ) ) {
require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php');
smarty_core_create_dir_structure( array('dir' => $dirname ), $this );
}
$isValid = FALSE;
if ( $fd = @fopen( $compilePath, 'wb') ) {
$isValid = TRUE;
@fclose( $fd );
@unlink($compilePath);
}
return $isValid;
}
/**
* fetch the template info. Gets timestamp, and source
* if get_source is true
*
* sets $source_content to the source of the template, and
* $resource_timestamp to its time stamp
* @param string $resource_name
* @param string $source_content
* @param integer $resource_timestamp
* @param boolean $get_source
* @param boolean $quiet
* @return boolean
*/
function _fetch_resource_info(&$params)
{
if(!isset($params['get_source'])) { $params['get_source'] = true; }
if(!isset($params['quiet'])) { $params['quiet'] = false; }
$_return = false;
$_params = array('resource_name' => $params['resource_name']) ;
if (isset($params['resource_base_path']))
$_params['resource_base_path'] = $params['resource_base_path'];
else
$_params['resource_base_path'] = $this->template_dir;
if ($this->_parse_resource_name($_params)) {
$_resource_type = $_params['resource_type'];
$_resource_name = $_params['resource_name'];
switch ($_resource_type) {
case 'file':
if ($params['get_source']) {
$params['source_content'] = $this->_read_file($_resource_name);
}
$params['resource_timestamp'] = filemtime($_resource_name);
$_return = is_file($_resource_name) && is_readable($_resource_name);
break;
default:
// call resource functions to fetch the template source and timestamp
if ($params['get_source']) {
$_source_return = isset($this->_plugins['resource'][$_resource_type]) &&
call_user_func_array($this->_plugins['resource'][$_resource_type][0][0],
array($_resource_name, &$params['source_content'], &$this));
} else {
$_source_return = true;
}
$_timestamp_return = isset($this->_plugins['resource'][$_resource_type]) &&
call_user_func_array($this->_plugins['resource'][$_resource_type][0][1],
array($_resource_name, &$params['resource_timestamp'], &$this));
$_return = $_source_return && $_timestamp_return;
break;
}
}
if (!$_return) {
// see if we can get a template with the default template handler
if (!empty($this->default_template_handler_func)) {
if (!is_callable($this->default_template_handler_func)) {
$this->trigger_error("default template handler function \"$this->default_template_handler_func\" doesn't exist.");
} else {
$_return = call_user_func_array(
$this->default_template_handler_func,
array($_params['resource_type'], $_params['resource_name'], &$params['source_content'], &$params['resource_timestamp'], &$this));
}
}
}
if (!$_return) {
if (!$params['quiet']) {
$this->trigger_error('unable to read resource: "' . $params['resource_name'] . '"');
}
} else if ($_return && $this->security) {
require_once(SMARTY_CORE_DIR . 'core.is_secure.php');
if (!smarty_core_is_secure($_params, $this)) {
if (!$params['quiet'])
$this->trigger_error('(secure mode) accessing "' . $params['resource_name'] . '" is not allowed');
$params['source_content'] = null;
$params['resource_timestamp'] = null;
return false;
}
}
return $_return;
}
/**
* parse out the type and name from the resource
*
* @param string $resource_base_path
* @param string $resource_name
* @param string $resource_type
* @param string $resource_name
* @return boolean
*/
function _parse_resource_name(&$params)
{
// split tpl_path by the first colon
$_resource_name_parts = explode(':', $params['resource_name'], 2);
if (count($_resource_name_parts) == 1) {
// no resource type given
$params['resource_type'] = $this->default_resource_type;
$params['resource_name'] = $_resource_name_parts[0];
} else {
if(strlen($_resource_name_parts[0]) == 1) {
// 1 char is not resource type, but part of filepath
$params['resource_type'] = $this->default_resource_type;
$params['resource_name'] = $params['resource_name'];
} else {
$params['resource_type'] = $_resource_name_parts[0];
$params['resource_name'] = $_resource_name_parts[1];
}
}
if ($params['resource_type'] == 'file') {
if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $params['resource_name'])) {
// relative pathname to $params['resource_base_path']
// use the first directory where the file is found
foreach ((array)$params['resource_base_path'] as $_curr_path) {
$_fullpath = $_curr_path . DIRECTORY_SEPARATOR . $params['resource_name'];
if (file_exists($_fullpath) && is_file($_fullpath)) {
$params['resource_name'] = $_fullpath;
return true;
}
// didn't find the file, try include_path
$_params = array('file_path' => $_fullpath);
require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
if(smarty_core_get_include_path($_params, $this)) {
$params['resource_name'] = $_params['new_file_path'];
return true;
}
}
return false;
} else {
/* absolute path */
return file_exists($params['resource_name']);
}
} elseif (empty($this->_plugins['resource'][$params['resource_type']])) {
$_params = array('type' => $params['resource_type']);
require_once(SMARTY_CORE_DIR . 'core.load_resource_plugin.php');
smarty_core_load_resource_plugin($_params, $this);
}
return true;
}
/**
* Handle modifiers
*
* @param string|null $modifier_name
* @param array|null $map_array
* @return string result of modifiers
*/
function _run_mod_handler()
{
$_args = func_get_args();
list($_modifier_name, $_map_array) = array_splice($_args, 0, 2);
list($_func_name, $_tpl_file, $_tpl_line) =
$this->_plugins['modifier'][$_modifier_name];
$_var = $_args[0];
foreach ($_var as $_key => $_val) {
$_args[0] = $_val;
$_var[$_key] = call_user_func_array($_func_name, $_args);
}
return $_var;
}
/**
* Remove starting and ending quotes from the string
*
* @param string $string
* @return string
*/
function _dequote($string)
{
if ((substr($string, 0, 1) == "'" || substr($string, 0, 1) == '"') &&
substr($string, -1) == substr($string, 0, 1))
return substr($string, 1, -1);
else
return $string;
}
/**
* read in a file
*
* @param string $filename
* @return string
*/
function _read_file($filename)
{
if ( file_exists($filename) && is_readable($filename) && ($fd = @fopen($filename, 'rb')) ) {
$contents = '';
while (!feof($fd)) {
$contents .= fread($fd, 8192);
}
fclose($fd);
return $contents;
} else {
return false;
}
}
/**
* get a concrete filename for automagically created content
*
* @param string $auto_base
* @param string $auto_source
* @param string $auto_id
* @return string
* @staticvar string|null
* @staticvar string|null
*/
function _get_auto_filename($auto_base, $auto_source = null, $auto_id = null)
{
$_compile_dir_sep = $this->use_sub_dirs ? DIRECTORY_SEPARATOR : '^';
$_return = $auto_base . DIRECTORY_SEPARATOR;
if(isset($auto_id)) {
// make auto_id safe for directory names
$auto_id = str_replace('%7C',$_compile_dir_sep,(urlencode($auto_id)));
// split into separate directories
$_return .= $auto_id . $_compile_dir_sep;
}
if(isset($auto_source)) {
// make source name safe for filename
$_filename = urlencode(basename($auto_source));
$_crc32 = sprintf('%08X', crc32($auto_source));
// prepend %% to avoid name conflicts with
// with $params['auto_id'] names
$_crc32 = substr($_crc32, 0, 2) . $_compile_dir_sep .
substr($_crc32, 0, 3) . $_compile_dir_sep . $_crc32;
$_return .= '%%' . $_crc32 . '%%' . $_filename;
}
return $_return;
}
/**
* unlink a file, possibly using expiration time
*
* @param string $resource
* @param integer $exp_time
*/
function _unlink($resource, $exp_time = null)
{
if(isset($exp_time)) {
if(time() - @filemtime($resource) >= $exp_time) {
return @unlink($resource);
}
} else {
return @unlink($resource);
}
}
/**
* returns an auto_id for auto-file-functions
*
* @param string $cache_id
* @param string $compile_id
* @return string|null
*/
function _get_auto_id($cache_id=null, $compile_id=null) {
if (isset($cache_id))
return (isset($compile_id)) ? $cache_id . '|' . $compile_id : $cache_id;
elseif(isset($compile_id))
return $compile_id;
else
return null;
}
/**
* trigger Smarty plugin error
*
* @param string $error_msg
* @param string $tpl_file
* @param integer $tpl_line
* @param string $file
* @param integer $line
* @param integer $error_type
*/
function _trigger_fatal_error($error_msg, $tpl_file = null, $tpl_line = null,
$file = null, $line = null, $error_type = E_USER_ERROR)
{
if(isset($file) && isset($line)) {
$info = ' ('.basename($file).", line $line)";
} else {
$info = '';
}
if (isset($tpl_line) && isset($tpl_file)) {
$this->trigger_error('[in ' . $tpl_file . ' line ' . $tpl_line . "]: $error_msg$info", $error_type);
} else {
$this->trigger_error($error_msg . $info, $error_type);
}
}
/**
* callback function for preg_replace, to call a non-cacheable block
* @return string
*/
function _process_compiled_include_callback($match) {
$_func = '_smarty_tplfunc_'.$match[2].'_'.$match[3];
ob_start();
$_func($this);
$_ret = ob_get_contents();
ob_end_clean();
return $_ret;
}
/**
* called for included templates
*
* @param string $_smarty_include_tpl_file
* @param string $_smarty_include_vars
*/
// $_smarty_include_tpl_file, $_smarty_include_vars
function _smarty_include($params)
{
if ($this->debugging) {
$_params = array();
require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
$debug_start_time = smarty_core_get_microtime($_params, $this);
$this->_smarty_debug_info[] = array('type' => 'template',
'filename' => $params['smarty_include_tpl_file'],
'depth' => ++$this->_inclusion_depth);
$included_tpls_idx = count($this->_smarty_debug_info) - 1;
}
$this->_tpl_vars = array_merge($this->_tpl_vars, $params['smarty_include_vars']);
// config vars are treated as local, so push a copy of the
// current ones onto the front of the stack
array_unshift($this->_config, $this->_config[0]);
$_smarty_compile_path = $this->_get_compile_path($params['smarty_include_tpl_file']);
if ($this->_is_compiled($params['smarty_include_tpl_file'], $_smarty_compile_path)
|| $this->_compile_resource($params['smarty_include_tpl_file'], $_smarty_compile_path))
{
include($_smarty_compile_path);
}
// pop the local vars off the front of the stack
array_shift($this->_config);
$this->_inclusion_depth--;
if ($this->debugging) {
// capture time for debugging info
$_params = array();
require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
$this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $debug_start_time;
}
if ($this->caching) {
$this->_cache_info['template'][$params['smarty_include_tpl_file']] = true;
}
}
/**
* get or set an array of cached attributes for function that is
* not cacheable
* @return array
*/
function &_smarty_cache_attrs($cache_serial, $count) {
$_cache_attrs =& $this->_cache_info['cache_attrs'][$cache_serial][$count];
if ($this->_cache_including) {
/* return next set of cache_attrs */
$_return = current($_cache_attrs);
next($_cache_attrs);
return $_return;
} else {
/* add a reference to a new set of cache_attrs */
$_cache_attrs[] = array();
return $_cache_attrs[count($_cache_attrs)-1];
}
}
/**
* wrapper for include() retaining $this
* @return mixed
*/
function _include($filename, $once=false, $params=null)
{
if ($once) {
return include_once($filename);
} else {
return include($filename);
}
}
/**
* wrapper for eval() retaining $this
* @return mixed
*/
function _eval($code, $params=null)
{
return eval($code);
}
/**
* Extracts the filter name from the given callback
*
* @param callback $function
* @return string
*/
function _get_filter_name($function)
{
if (is_array($function)) {
$_class_name = (is_object($function[0]) ?
get_class($function[0]) : $function[0]);
return $_class_name . '_' . $function[1];
}
else {
return $function;
}
}
/**#@-*/
}
/* vim: set expandtab: */
?>
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