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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';
 
 /**
  * View helper for retrieving layout object
  *
  * @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_Layout extends Zend_View_Helper_Abstract
 {
     /** @var Zend_Layout */
     protected $_layout;
 
     /**
      * Get layout object
      *
      * @return Zend_Layout
      */
     public function getLayout()
     {
         if (null === $this->_layout) {
             // require_once 'Zend/Layout.php';
             $this->_layout = Zend_Layout::getMvcInstance();
             if (null === $this->_layout) {
                 // Implicitly creates layout object
                 $this->_layout = new Zend_Layout();
             }
         }
 
         return $this->_layout;
     }
 
     /**
      * Set layout object
      *
      * @param  Zend_Layout $layout
      * @return Zend_Layout_Controller_Action_Helper_Layout
      */
     public function setLayout(Zend_Layout $layout)
     {
         $this->_layout = $layout;
         return $this;
     }
 
     /**
      * Return layout object
      *
      * Usage: $this->layout()->setLayout('alternate');
      *
      * @return Zend_Layout
      */
     public function layout()
     {
         return $this->getLayout();
     }
 }