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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_Form
  * @subpackage Decorator
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_Form_Decorator_FormElements */
 // require_once 'Zend/Form/Decorator/FormElements.php';
 
 /**
  * Zend_Form_Decorator_PrepareElements
  *
  * Render all form elements registered with current form
  *
  * Accepts following options:
  * - separator: Separator to use between elements
  *
  * Any other options passed will be used as HTML attributes of the form tag.
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Decorator
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Form_Decorator_PrepareElements extends Zend_Form_Decorator_FormElements
 {
     /**
      * Render form elements
      *
      * @param  string $content
      * @return string
      */
     public function render($content)
     {
         $form = $this->getElement();
         if ((!$form instanceof Zend_Form) && (!$form instanceof Zend_Form_DisplayGroup)) {
             return $content;
         }
 
         $this->_recursivelyPrepareForm($form);
 
         return $content;
     }
 
     protected function _recursivelyPrepareForm(Zend_Form $form)
     {
         $belongsTo      = ($form instanceof Zend_Form) ? $form->getElementsBelongTo() : null;
         $elementContent = '';
         $separator      = $this->getSeparator();
         $translator     = $form->getTranslator();
         $view           = $form->getView();
 
         foreach ($form as $item) {
             $item->setView($view)
                  ->setTranslator($translator);
             if ($item instanceof Zend_Form_Element) {
                 $item->setBelongsTo($belongsTo);
             } elseif (!empty($belongsTo) && ($item instanceof Zend_Form)) {
                 if ($item->isArray()) {
                     $name = $this->mergeBelongsTo($belongsTo, $item->getElementsBelongTo());
                     $item->setElementsBelongTo($name, true);
                 } else {
                     $item->setElementsBelongTo($belongsTo, true);
                 }
                 $this->_recursivelyPrepareForm($item);
             } elseif (!empty($belongsTo) && ($item instanceof Zend_Form_DisplayGroup)) {
                 foreach ($item as $element) {
                     $element->setBelongsTo($belongsTo);
                 }
             }
         }
     }
 }