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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_View
  * @subpackage Helper
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @version    $Id$
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_View_Helper_Abstract.php */
 // require_once 'Zend/View/Helper/Abstract.php';
 
 /**
  * Helper for rendering a template fragment in its own variable scope.
  *
  * @package    Zend_View
  * @subpackage Helper
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_View_Helper_Partial extends Zend_View_Helper_Abstract
 {
     /**
      * Variable to which object will be assigned
      * @var string
      */
     protected $_objectKey;
 
     /**
      * Renders a template fragment within a variable scope distinct from the
      * calling View object.
      *
      * If no arguments are passed, returns the helper instance.
      *
      * If the $model is an array, it is passed to the view object's assign()
      * method.
      *
      * If the $model is an object, it first checks to see if the object
      * implements a 'toArray' method; if so, it passes the result of that
      * method to to the view object's assign() method. Otherwise, the result of
      * get_object_vars() is passed.
      *
      * @param  string $name Name of view script
      * @param  string|array $module If $model is empty, and $module is an array,
      *                              these are the variables to populate in the
      *                              view. Otherwise, the module in which the
      *                              partial resides
      * @param  array $model Variables to populate in the view
      * @return string|Zend_View_Helper_Partial
      */
     public function partial($name = null, $module = null, $model = null)
     {
         if (0 == func_num_args()) {
             return $this;
         }
 
         $view = $this->cloneView();
         if (isset($this->partialCounter)) {
             $view->partialCounter = $this->partialCounter;
         }
         if (isset($this->partialTotalCount)) {
             $view->partialTotalCount = $this->partialTotalCount;
         }
 
         if ((null !== $module) && is_string($module)) {
             // require_once 'Zend/Controller/Front.php';
             $moduleDir = Zend_Controller_Front::getInstance()->getControllerDirectory($module);
             if (null === $moduleDir) {
                 // require_once 'Zend/View/Helper/Partial/Exception.php';
                 $e = new Zend_View_Helper_Partial_Exception('Cannot render partial; module does not exist');
                 $e->setView($this->view);
                 throw $e;
             }
             $viewsDir = dirname($moduleDir) . '/views';
             $view->addBasePath($viewsDir);
         } elseif ((null == $model) && (null !== $module)
             && (is_array($module) || is_object($module)))
         {
             $model = $module;
         }
 
         if (!empty($model)) {
             if (is_array($model)) {
                 $view->assign($model);
             } elseif (is_object($model)) {
                 if (null !== ($objectKey = $this->getObjectKey())) {
                     $view->assign($objectKey, $model);
                 } elseif (method_exists($model, 'toArray')) {
                     $view->assign($model->toArray());
                 } else {
                     $view->assign(get_object_vars($model));
                 }
             }
         }
 
         return $view->render($name);
     }
 
     /**
      * Clone the current View
      *
      * @return Zend_View_Interface
      */
     public function cloneView()
     {
         $view = clone $this->view;
         $view->clearVars();
         return $view;
     }
 
     /**
      * Set object key
      *
      * @param  string $key
      * @return Zend_View_Helper_Partial
      */
     public function setObjectKey($key)
     {
         if (null === $key) {
             $this->_objectKey = null;
         } else {
             $this->_objectKey = (string) $key;
         }
 
         return $this;
     }
 
     /**
      * Retrieve object key
      *
      * The objectKey is the variable to which an object in the iterator will be
      * assigned.
      *
      * @return null|string
      */
     public function getObjectKey()
     {
         return $this->_objectKey;
     }
 }