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lib/smarty/libs/sysplugins/smarty_internal_template.php
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376
lib/smarty/libs/sysplugins/smarty_internal_template.php
Executable file
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<?php
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/**
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* Smarty Internal Plugin Template
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* This file contains the Smarty template engine
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*
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* @package Smarty
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* @subpackage Template
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* @author Uwe Tews
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*/
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/**
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* Main class with template data structures and methods
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*
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* @package Smarty
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* @subpackage Template
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*
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* @property Smarty_Template_Source|Smarty_Template_Config $source
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* @property Smarty_Template_Compiled $compiled
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* @property Smarty_Template_Cached $cached
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* @method bool mustCompile()
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*/
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class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
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{
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/**
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* This object type (Smarty = 1, template = 2, data = 4)
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*
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* @var int
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*/
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public $_objType = 2;
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/**
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* Global smarty instance
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*
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* @var Smarty
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*/
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public $smarty = null;
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/**
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* Source instance
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*
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* @var Smarty_Template_Source|Smarty_Template_Config
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*/
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public $source = null;
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/**
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* Template resource
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*
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* @var string
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*/
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public $template_resource = null;
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/**
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* flag if compiled template is invalid and must be (re)compiled
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*
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* @var bool
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*/
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public $mustCompile = null;
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/**
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* Template Id
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*
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* @var null|string
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*/
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public $templateId = null;
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/**
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* Known template functions
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*
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* @var array
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*/
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public $tpl_function = array();
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/**
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* Scope in which template is rendered
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*
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* @var int
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*/
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public $scope = 0;
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/**
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* Create template data object
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* Some of the global Smarty settings copied to template scope
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* It load the required template resources and caching plugins
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*
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* @param string $template_resource template resource string
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* @param Smarty $smarty Smarty instance
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* @param \Smarty_Internal_Template|\Smarty|\Smarty_Internal_Data $_parent back pointer to parent object
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* with variables or null
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* @param mixed $_cache_id cache id or null
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* @param mixed $_compile_id compile id or null
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* @param bool $_caching use caching?
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* @param int $_cache_lifetime cache life-time in seconds
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*
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* @throws \SmartyException
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*/
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public function __construct($template_resource, Smarty $smarty, Smarty_Internal_Data $_parent = null,
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$_cache_id = null, $_compile_id = null, $_caching = null, $_cache_lifetime = null)
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{
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$this->smarty = &$smarty;
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// Smarty parameter
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$this->cache_id = $_cache_id === null ? $this->smarty->cache_id : $_cache_id;
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$this->compile_id = $_compile_id === null ? $this->smarty->compile_id : $_compile_id;
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$this->caching = $_caching === null ? $this->smarty->caching : $_caching;
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if ($this->caching === true) {
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$this->caching = Smarty::CACHING_LIFETIME_CURRENT;
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}
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$this->cache_lifetime = $_cache_lifetime === null ? $this->smarty->cache_lifetime : $_cache_lifetime;
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$this->parent = $_parent;
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// Template resource
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$this->template_resource = $template_resource;
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$this->source = Smarty_Template_Source::load($this);
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parent::__construct();
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}
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/**
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* render template
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*
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* @param bool $merge_tpl_vars if true parent template variables merged in to local scope
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* @param bool $no_output_filter if true do not run output filter
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* @param bool $display true: display, false: fetch null: subtemplate
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*
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* @throws Exception
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* @throws SmartyException
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* @return string rendered template output
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*/
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public function render($no_output_filter = true, $display = null)
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{
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$parentIsTpl = isset($this->parent) && $this->parent->_objType == 2;
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if ($this->smarty->debugging) {
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$this->smarty->_debug->start_template($this, $display);
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}
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// checks if template exists
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if (!$this->source->exists) {
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if ($parentIsTpl) {
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$parent_resource = " in '{$this->parent->template_resource}'";
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} else {
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$parent_resource = '';
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}
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throw new SmartyException("Unable to load template {$this->source->type} '{$this->source->name}'{$parent_resource}");
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}
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// disable caching for evaluated code
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if ($this->source->handler->recompiled) {
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$this->caching = false;
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}
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// read from cache or render
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$isCacheTpl =
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$this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED;
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if ($isCacheTpl) {
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if (!isset($this->cached)) {
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$this->loadCached();
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}
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$this->cached->render($this, $no_output_filter);
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} elseif ($this->source->handler->uncompiled) {
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$this->source->render($this);
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} else {
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if (!isset($this->compiled)) {
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$this->loadCompiled();
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}
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$this->compiled->render($this);
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}
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// display or fetch
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if ($display) {
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if ($this->caching && $this->smarty->cache_modified_check) {
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$this->smarty->ext->_cachemodify->cacheModifiedCheck($this->cached, $this,
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isset($content) ? $content : ob_get_clean());
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} else {
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if ((!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled) &&
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!$no_output_filter && (isset($this->smarty->autoload_filters['output']) ||
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isset($this->smarty->registered_filters['output']))
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) {
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echo $this->smarty->ext->_filterHandler->runFilter('output', ob_get_clean(), $this);
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} else {
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ob_end_flush();
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flush();
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}
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}
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_template($this);
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// debug output
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$this->smarty->_debug->display_debug($this, true);
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}
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return '';
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} else {
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_template($this);
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if ($this->smarty->debugging === 2 && $display === false) {
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$this->smarty->_debug->display_debug($this, true);
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}
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}
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if ($parentIsTpl) {
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if (!empty($this->tpl_function)) {
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$this->parent->tpl_function = array_merge($this->parent->tpl_function, $this->tpl_function);
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}
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foreach ($this->compiled->required_plugins as $code => $tmp1) {
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foreach ($tmp1 as $name => $tmp) {
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foreach ($tmp as $type => $data) {
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$this->parent->compiled->required_plugins[$code][$name][$type] = $data;
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}
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}
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}
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}
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if (!$no_output_filter &&
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(!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled) &&
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(isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))
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) {
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return $this->smarty->ext->_filterHandler->runFilter('output', ob_get_clean(), $this);
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}
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// return cache content
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return null;
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}
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}
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/**
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* Compiles the template
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* If the template is not evaluated the compiled template is saved on disk
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*/
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public function compileTemplateSource()
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{
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return $this->compiled->compileTemplateSource($this);
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}
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/**
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* Writes the content to cache resource
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*
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* @param string $content
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*
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* @return bool
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*/
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public function writeCachedContent($content)
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{
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return $this->smarty->ext->_updateCache->writeCachedContent($this->cached, $this, $content);
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}
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/**
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* Get unique template id
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*
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* @return string
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*/
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public function _getTemplateId()
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{
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return isset($this->templateId) ? $this->templateId : $this->templateId =
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$this->smarty->_getTemplateId($this->template_resource, $this->cache_id, $this->compile_id);
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}
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/**
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* runtime error not matching capture tags
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*/
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public function capture_error()
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{
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throw new SmartyException("Not matching {capture} open/close in \"{$this->template_resource}\"");
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}
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/**
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* Load compiled object
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*
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*/
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public function loadCompiled()
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{
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if (!isset($this->compiled)) {
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$this->compiled = Smarty_Template_Compiled::load($this);
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}
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}
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/**
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* Load cached object
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*
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*/
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public function loadCached()
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{
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if (!isset($this->cached)) {
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$this->cached = Smarty_Template_Cached::load($this);
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}
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}
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/**
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* Load compiler object
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*
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* @throws \SmartyException
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*/
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public function loadCompiler()
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{
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if (!class_exists($this->source->handler->compiler_class)) {
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$this->smarty->loadPlugin($this->source->handler->compiler_class);
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}
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$this->compiler = new $this->source->handler->compiler_class($this->source->handler->template_lexer_class,
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$this->source->handler->template_parser_class,
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$this->smarty);
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}
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/**
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* Handle unknown class methods
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*
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* @param string $name unknown method-name
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* @param array $args argument array
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*
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* @return mixed
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* @throws SmartyException
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*/
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public function __call($name, $args)
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{
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// method of Smarty object?
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if (method_exists($this->smarty, $name)) {
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return call_user_func_array(array($this->smarty, $name), $args);
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}
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// parent
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return parent::__call($name, $args);
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}
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/**
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* set Smarty property in template context
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*
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* @param string $property_name property name
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* @param mixed $value value
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*
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* @throws SmartyException
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*/
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public function __set($property_name, $value)
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{
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switch ($property_name) {
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case 'compiled':
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case 'cached':
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case 'compiler':
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$this->$property_name = $value;
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return;
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default:
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// Smarty property ?
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if (property_exists($this->smarty, $property_name)) {
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$this->smarty->$property_name = $value;
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return;
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}
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}
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throw new SmartyException("invalid template property '$property_name'.");
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}
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/**
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* get Smarty property in template context
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*
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* @param string $property_name property name
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*
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* @return mixed|Smarty_Template_Cached
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* @throws SmartyException
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*/
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public function __get($property_name)
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{
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switch ($property_name) {
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case 'compiled':
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$this->loadCompiled();
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return $this->compiled;
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case 'cached':
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$this->loadCached();
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return $this->cached;
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case 'compiler':
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$this->loadCompiler();
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return $this->compiler;
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default:
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// Smarty property ?
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if (property_exists($this->smarty, $property_name)) {
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return $this->smarty->$property_name;
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}
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}
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throw new SmartyException("template property '$property_name' does not exist.");
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}
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/**
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* Template data object destructor
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*/
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public function __destruct()
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{
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if ($this->smarty->cache_locking && isset($this->cached) && $this->cached->is_locked) {
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$this->cached->handler->releaseLock($this->smarty, $this->cached);
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}
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}
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}
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