355 Zeilen
13 KiB
PHP
355 Zeilen
13 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Smarty Template Base
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* This file contains the basic shared methods for template handling
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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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* Class with shared smarty/template 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 int $_objType
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*
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* The following methods will be dynamically loaded by the extension handler when they are called.
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* They are located in a corresponding Smarty_Internal_Method_xxxx class
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*
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* @method Smarty_Internal_TemplateBase addAutoloadFilters(mixed $filters, string $type = null)
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* @method Smarty_Internal_TemplateBase addDefaultModifier(mixed $modifiers)
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* @method Smarty_Internal_TemplateBase createData(Smarty_Internal_Data $parent = null, string $name = null)
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* @method array getAutoloadFilters(string $type = null)
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* @method string getDebugTemplate()
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* @method array getDefaultModifier()
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* @method array getTags(mixed $template = null)
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* @method object getRegisteredObject(string $object_name)
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* @method Smarty_Internal_TemplateBase registerCacheResource(string $name, Smarty_CacheResource $resource_handler)
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* @method Smarty_Internal_TemplateBase registerClass(string $class_name, string $class_impl)
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* @method Smarty_Internal_TemplateBase registerDefaultConfigHandler(callback $callback)
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* @method Smarty_Internal_TemplateBase registerDefaultPluginHandler(callback $callback)
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* @method Smarty_Internal_TemplateBase registerDefaultTemplateHandler(callback $callback)
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* @method Smarty_Internal_TemplateBase registerResource(string $name, mixed $resource_handler)
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* @method Smarty_Internal_TemplateBase setAutoloadFilters(mixed $filters, string $type = null)
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* @method Smarty_Internal_TemplateBase setDebugTemplate(string $tpl_name)
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* @method Smarty_Internal_TemplateBase setDefaultModifiers(mixed $modifiers)
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* @method Smarty_Internal_TemplateBase unloadFilter(string $type, string $name)
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* @method Smarty_Internal_TemplateBase unregisterCacheResource(string $name)
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* @method Smarty_Internal_TemplateBase unregisterObject(string $object_name)
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* @method Smarty_Internal_TemplateBase unregisterPlugin(string $type, string $name)
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* @method Smarty_Internal_TemplateBase unregisterFilter(string $type, mixed $callback)
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* @method Smarty_Internal_TemplateBase unregisterResource(string $name)
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*/
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abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
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{
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/**
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* Set this if you want different sets of cache files for the same
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* templates.
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*
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* @var string
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*/
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public $cache_id = null;
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/**
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* Set this if you want different sets of compiled files for the same
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* templates.
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*
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* @var string
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*/
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public $compile_id = null;
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/**
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* caching enabled
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*
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* @var boolean
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*/
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public $caching = false;
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/**
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* cache lifetime in seconds
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*
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* @var integer
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*/
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public $cache_lifetime = 3600;
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/**
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* Array of source information for known template functions
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*
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* @var array
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*/
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public $tplFunctions = array();
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/**
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* universal cache
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*
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* @var array()
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*/
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public $_cache = array();
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/**
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* fetches a rendered Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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*
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* @throws Exception
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* @throws SmartyException
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* @return string rendered template output
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*/
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public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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$result = $this->_execute($template, $cache_id, $compile_id, $parent, 0);
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return $result === null ? ob_get_clean() : $result;
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}
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/**
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* displays a Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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*/
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public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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// display template
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$this->_execute($template, $cache_id, $compile_id, $parent, 1);
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}
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/**
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* test if cache is valid
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*
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* @api Smarty::isCached()
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* @link http://www.smarty.net/docs/en/api.is.cached.tpl
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*
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* @param null|string|\Smarty_Internal_Template $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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*
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* @return boolean cache status
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*/
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public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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return $this->_execute($template, $cache_id, $compile_id, $parent, 2);
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}
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/**
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* fetches a rendered Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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* @param string $function function type 0 = fetch, 1 = display, 2 = isCache
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*
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* @return mixed
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* @throws \Exception
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* @throws \SmartyException
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*/
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private function _execute($template, $cache_id, $compile_id, $parent, $function)
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{
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$smarty = $this->_getSmartyObj();
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$saveVars = true;
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if ($template === null) {
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if (!$this->_isTplObj()) {
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throw new SmartyException($function . '():Missing \'$template\' parameter');
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} else {
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$template = $this;
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}
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} elseif (is_object($template)) {
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/* @var Smarty_Internal_Template $template */
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if (!isset($template->_objType) || !$template->_isTplObj()) {
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throw new SmartyException($function . '():Template object expected');
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}
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} else {
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// get template object
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$saveVars = false;
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$template = $smarty->createTemplate($template, $cache_id, $compile_id, $parent ? $parent : $this, false);
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if ($this->_objType == 1) {
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// set caching in template object
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$template->caching = $this->caching;
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}
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}
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// fetch template content
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$level = ob_get_level();
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try {
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$_smarty_old_error_level =
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isset($smarty->error_reporting) ? error_reporting($smarty->error_reporting) : null;
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if ($this->_objType == 2) {
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/* @var Smarty_Internal_Template $this */
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$template->tplFunctions = $this->tplFunctions;
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$template->inheritance = $this->inheritance;
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}
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/* @var Smarty_Internal_Template $parent */
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if (isset($parent->_objType) && ($parent->_objType == 2) && !empty($parent->tplFunctions)) {
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$template->tplFunctions = array_merge($parent->tplFunctions, $template->tplFunctions);
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}
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if ($function == 2) {
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if ($template->caching) {
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// return cache status of template
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if (!isset($template->cached)) {
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$template->loadCached();
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}
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$result = $template->cached->isCached($template);
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Smarty_Internal_Template::$isCacheTplObj[ $template->_getTemplateId() ] = $template;
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} else {
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return false;
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}
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} else {
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if ($saveVars) {
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$savedTplVars = $template->tpl_vars;
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$savedConfigVars = $template->config_vars;
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}
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ob_start();
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$template->_mergeVars();
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if (!empty(Smarty::$global_tpl_vars)) {
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$template->tpl_vars = array_merge(Smarty::$global_tpl_vars, $template->tpl_vars);
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}
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$result = $template->render(false, $function);
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$template->_cleanUp();
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if ($saveVars) {
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$template->tpl_vars = $savedTplVars;
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$template->config_vars = $savedConfigVars;
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} else {
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if (!$function && !isset(Smarty_Internal_Template::$tplObjCache[ $template->templateId ])) {
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$template->parent = null;
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$template->tpl_vars = $template->config_vars = array();
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Smarty_Internal_Template::$tplObjCache[ $template->templateId ] = $template;
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}
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}
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}
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if (isset($_smarty_old_error_level)) {
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error_reporting($_smarty_old_error_level);
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}
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return $result;
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}
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catch (Exception $e) {
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while (ob_get_level() > $level) {
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ob_end_clean();
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}
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if (isset($_smarty_old_error_level)) {
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error_reporting($_smarty_old_error_level);
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}
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throw $e;
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}
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}
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/**
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* Registers plugin to be used in templates
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*
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* @api Smarty::registerPlugin()
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* @link http://www.smarty.net/docs/en/api.register.plugin.tpl
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*
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* @param string $type plugin type
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* @param string $name name of template tag
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* @param callback $callback PHP callback to register
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* @param bool $cacheable if true (default) this function is cache able
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* @param mixed $cache_attr caching attributes if any
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*
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* @return \Smarty|\Smarty_Internal_Template
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* @throws SmartyException when the plugin tag is invalid
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*/
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public function registerPlugin($type, $name, $callback, $cacheable = true, $cache_attr = null)
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{
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return $this->ext->registerPlugin->registerPlugin($this, $type, $name, $callback, $cacheable, $cache_attr);
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}
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/**
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* load a filter of specified type and name
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*
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* @api Smarty::loadFilter()
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* @link http://www.smarty.net/docs/en/api.load.filter.tpl
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*
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* @param string $type filter type
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* @param string $name filter name
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*
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* @return bool
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* @throws SmartyException if filter could not be loaded
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*/
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public function loadFilter($type, $name)
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{
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return $this->ext->loadFilter->loadFilter($this, $type, $name);
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}
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/**
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* Registers a filter function
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*
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* @api Smarty::registerFilter()
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* @link http://www.smarty.net/docs/en/api.register.filter.tpl
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*
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* @param string $type filter type
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* @param callback $callback
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* @param string|null $name optional filter name
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*
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* @return \Smarty|\Smarty_Internal_Template
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* @throws \SmartyException
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*/
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public function registerFilter($type, $callback, $name = null)
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{
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return $this->ext->registerFilter->registerFilter($this, $type, $callback, $name);
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}
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/**
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* Registers object to be used in templates
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*
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* @api Smarty::registerObject()
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* @link http://www.smarty.net/docs/en/api.register.object.tpl
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*
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* @param string $object_name
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* @param object $object the referenced PHP object to register
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* @param array $allowed_methods_properties list of allowed methods (empty = all)
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* @param bool $format smarty argument format, else traditional
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* @param array $block_methods list of block-methods
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*
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* @return \Smarty|\Smarty_Internal_Template
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* @throws \SmartyException
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*/
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public function registerObject($object_name, $object, $allowed_methods_properties = array(), $format = true,
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$block_methods = array())
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{
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return $this->ext->registerObject->registerObject($this, $object_name, $object, $allowed_methods_properties,
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$format, $block_methods);
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}
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/**
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* @param boolean $caching
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*/
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public function setCaching($caching)
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{
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$this->caching = $caching;
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}
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/**
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* @param int $cache_lifetime
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*/
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public function setCacheLifetime($cache_lifetime)
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{
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$this->cache_lifetime = $cache_lifetime;
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}
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/**
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* @param string $compile_id
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*/
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public function setCompileId($compile_id)
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{
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$this->compile_id = $compile_id;
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}
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/**
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* @param string $cache_id
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*/
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public function setCacheId($cache_id)
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{
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$this->cache_id = $cache_id;
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}
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}
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