<?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

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/** Zend_Pdf_Element */

require_once 'Zend/Pdf/Element.php';

/**

 * PDF file 'null' element implementation

 *

 * @category   Zend

 * @package    Zend_Pdf

 * @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';

    }

}