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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_Navigation
  * @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    $Id$
  */
 
 /**
  * @see Zend_Navigation_Container
  */
 // require_once 'Zend/Navigation/Container.php';
 
 /**
  * A simple container class for {@link Zend_Navigation_Page} pages
  *
  * @category  Zend
  * @package   Zend_Navigation
  * @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_Navigation extends Zend_Navigation_Container
 {
     /**
      * Creates a new navigation container
      *
      * @param array|Zend_Config $pages    [optional] pages to add
      * @throws Zend_Navigation_Exception  if $pages is invalid
      */
     public function __construct($pages = null)
     {
         if (is_array($pages) || $pages instanceof Zend_Config) {
             $this->addPages($pages);
         } elseif (null !== $pages) {
             // require_once 'Zend/Navigation/Exception.php';
             throw new Zend_Navigation_Exception(
                     'Invalid argument: $pages must be an array, an ' .
                     'instance of Zend_Config, or null');
         }
     }
 }