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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
  * @subpackage Page
  * @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_Page_Abstract
  */
 // require_once 'Zend/Navigation/Page.php';
 
 /**
  * Represents a page that is defined by specifying a URI
  *
  * @category   Zend
  * @package    Zend_Navigation
  * @subpackage Page
  * @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_Page_Uri extends Zend_Navigation_Page
 {
     /**
      * Page URI
      *
      * @var string|null
      */
     protected $_uri = null;
 
     /**
      * Sets page URI
      *
      * @param  string $uri                page URI, must a string or null
      * @return Zend_Navigation_Page_Uri   fluent interface, returns self
      * @throws Zend_Navigation_Exception  if $uri is invalid
      */
     public function setUri($uri)
     {
         if (null !== $uri && !is_string($uri)) {
             // require_once 'Zend/Navigation/Exception.php';
             throw new Zend_Navigation_Exception(
                     'Invalid argument: $uri must be a string or null');
         }
 
         $this->_uri = $uri;
         return $this;
     }
 
     /**
      * Returns URI
      *
      * @return string
      */
     public function getUri()
     {
         return $this->_uri;
     }
 
     /**
      * Returns href for this page
      *
      * @return string
      */
     public function getHref()
     {
         $uri = $this->getUri();
         
         $fragment = $this->getFragment();       
         if (null !== $fragment) {
             if ('#' == substr($uri, -1)) {
                 return $uri . $fragment;
             } else {                
                 return $uri . '#' . $fragment;
             }
         }
         
         return $uri;
     }
 
     // Public methods:
 
     /**
      * Returns an array representation of the page
      *
      * @return array
      */
     public function toArray()
     {
         return array_merge(
             parent::toArray(),
             array(
                 'uri' => $this->getUri()
             ));
     }
 }