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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_Pdf
  * @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    $Id$
  */
 
 
 /** Zend_Pdf_Element */
 // require_once 'Zend/Pdf/Element.php';
 
 
 /**
  * PDF file 'null' element implementation
  *
  * @category   Zend
  * @package    Zend_Pdf
  * @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_Pdf_Element_Null extends Zend_Pdf_Element
 {
     /**
      * Object value. Always null.
      *
      * @var mixed
      */
     public $value;
 
 
     /**
      * Object constructor
      */
     public function __construct()
     {
         $this->value = null;
     }
 
 
     /**
      * Return type of the element.
      *
      * @return integer
      */
     public function getType()
     {
         return Zend_Pdf_Element::TYPE_NULL;
     }
 
 
     /**
      * Return object as string
      *
      * @param Zend_Pdf_Factory $factory
      * @return string
      */
     public function toString($factory = null)
     {
         return 'null';
     }
 }