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initial commit
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Chris Sewell
284
lib/symfony/view/sfPHPView.class.php
Executable file
284
lib/symfony/view/sfPHPView.class.php
Executable file
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<?php
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/*
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* This file is part of the symfony package.
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* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
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* (c) 2004-2006 Sean Kerr.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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*
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* @package symfony
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* @subpackage view
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @author Sean Kerr <skerr@mojavi.org>
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* @version SVN: $Id: sfPHPView.class.php 3308 2007-01-20 05:48:11Z fabien $
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*/
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class sfPHPView extends sfView
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{
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/**
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* Executes any presentation logic for this view.
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*/
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public function execute()
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{
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}
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/**
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* Returns variables that will be accessible to the template.
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*
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* @return array Attributes from the template
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*/
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protected function getGlobalVars()
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{
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$context = $this->getContext();
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$shortcuts = array(
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'sf_context' => $context,
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'sf_params' => $context->getRequest()->getParameterHolder(),
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'sf_request' => $context->getRequest(),
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'sf_user' => $context->getUser(),
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'sf_view' => $this,
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);
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if (sfConfig::get('sf_use_flash'))
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{
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$sf_flash = new sfParameterHolder();
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$sf_flash->add($context->getUser()->getAttributeHolder()->getAll('symfony/flash'));
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$shortcuts['sf_flash'] = $sf_flash;
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}
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return $shortcuts;
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}
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/**
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* Load core and standard helpers to be use in the template.
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*/
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protected function loadCoreAndStandardHelpers()
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{
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static $coreHelpersLoaded = 0;
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if ($coreHelpersLoaded)
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{
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return;
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}
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$coreHelpersLoaded = 1;
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$core_helpers = array('Helper', 'Url', 'Asset', 'Tag', 'Escaping');
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$standard_helpers = sfConfig::get('sf_standard_helpers');
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$helpers = array_unique(array_merge($core_helpers, $standard_helpers));
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sfLoader::loadHelpers($helpers);
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}
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/**
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* Renders the presentation.
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*
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* @param string Filename
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*
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* @return string File content
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*/
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protected function renderFile($_sfFile)
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{
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if (sfConfig::get('sf_logging_enabled'))
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{
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$this->getContext()->getLogger()->info('{sfView} render "'.$_sfFile.'"');
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}
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$this->loadCoreAndStandardHelpers();
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$_escaping = $this->getEscaping();
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if ($_escaping === false || $_escaping === 'bc')
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{
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extract($this->attributeHolder->getAll());
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}
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if ($_escaping !== false)
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{
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$sf_data = sfOutputEscaper::escape($this->getEscapingMethod(), $this->attributeHolder->getAll());
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if ($_escaping === 'both')
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{
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foreach ($sf_data as $_key => $_value)
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{
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${$_key} = $_value;
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}
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}
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}
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// render
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ob_start();
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ob_implicit_flush(0);
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require($_sfFile);
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return ob_get_clean();
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}
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/**
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* Retrieves the template engine associated with this view.
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*
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* Note: This will return null because PHP itself has no engine reference.
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*
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* @return null
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*/
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public function getEngine()
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{
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return null;
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}
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/**
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* Configures template.
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*
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* @return void
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*/
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public function configure()
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{
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// store our current view
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$actionStackEntry = $this->getContext()->getActionStack()->getLastEntry();
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if (!$actionStackEntry->getViewInstance())
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{
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$actionStackEntry->setViewInstance($this);
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}
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// require our configuration
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$viewConfigFile = $this->moduleName.'/'.sfConfig::get('sf_app_module_config_dir_name').'/view.yml';
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require(sfConfigCache::getInstance()->checkConfig(sfConfig::get('sf_app_module_dir_name').'/'.$viewConfigFile));
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// set template directory
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if (!$this->directory)
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{
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$this->setDirectory(sfLoader::getTemplateDir($this->moduleName, $this->getTemplate()));
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}
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}
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/**
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* Loop through all template slots and fill them in with the results of
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* presentation data.
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*
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* @param string A chunk of decorator content
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*
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* @return string A decorated template
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*/
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protected function decorate($content)
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{
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$template = $this->getDecoratorDirectory().'/'.$this->getDecoratorTemplate();
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if (sfConfig::get('sf_logging_enabled'))
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{
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$this->getContext()->getLogger()->info('{sfView} decorate content with "'.$template.'"');
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}
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// set the decorator content as an attribute
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$this->attributeHolder->set('sf_content', $content);
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// for backwards compatibility with old layouts; remove at 0.8.0?
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$this->attributeHolder->set('content', $content);
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// render the decorator template and return the result
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$retval = $this->renderFile($template);
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return $retval;
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}
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/**
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* Renders the presentation.
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*
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* When the controller render mode is sfView::RENDER_CLIENT, this method will
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* render the presentation directly to the client and null will be returned.
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*
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* @return string A string representing the rendered presentation, if
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* the controller render mode is sfView::RENDER_VAR, otherwise null
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*/
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public function render($templateVars = null)
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{
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$context = $this->getContext();
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// get the render mode
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$mode = $context->getController()->getRenderMode();
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if ($mode == sfView::RENDER_NONE)
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{
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return null;
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}
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$retval = null;
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$response = $context->getResponse();
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if (sfConfig::get('sf_cache'))
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{
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$key = $response->getParameterHolder()->remove('current_key', 'symfony/cache/current');
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$cache = $response->getParameter($key, null, 'symfony/cache');
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if ($cache !== null)
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{
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$cache = unserialize($cache);
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$retval = $cache['content'];
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$vars = $cache['vars'];
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$response->mergeProperties($cache['response']);
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}
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}
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// decorator
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$layout = $response->getParameter($this->moduleName.'_'.$this->actionName.'_layout', null, 'symfony/action/view');
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if (false === $layout)
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{
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$this->setDecorator(false);
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}
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else if (null !== $layout)
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{
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$this->setDecoratorTemplate($layout.$this->getExtension());
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}
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// template variables
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if ($templateVars === null)
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{
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$actionInstance = $context->getActionStack()->getLastEntry()->getActionInstance();
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$templateVars = $actionInstance->getVarHolder()->getAll();
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}
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// assigns some variables to the template
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$this->attributeHolder->add($this->getGlobalVars());
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$this->attributeHolder->add($retval !== null ? $vars : $templateVars);
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// render template if no cache
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if ($retval === null)
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{
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// execute pre-render check
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$this->preRenderCheck();
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// render template file
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$template = $this->getDirectory().'/'.$this->getTemplate();
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$retval = $this->renderFile($template);
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if (sfConfig::get('sf_cache') && $key !== null)
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{
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$cache = array(
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'content' => $retval,
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'vars' => $templateVars,
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'view_name' => $this->viewName,
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'response' => $context->getResponse(),
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);
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$response->setParameter($key, serialize($cache), 'symfony/cache');
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if (sfConfig::get('sf_web_debug'))
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{
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$retval = sfWebDebug::getInstance()->decorateContentWithDebug($key, $retval, true);
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}
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}
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}
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// now render decorator template, if one exists
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if ($this->isDecorator())
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{
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$retval = $this->decorate($retval);
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}
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// render to client
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if ($mode == sfView::RENDER_CLIENT)
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{
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$context->getResponse()->setContent($retval);
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}
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return $retval;
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}
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}
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