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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
  */
 
 /** @see Zend_View_Helper_Abstract */
 // require_once 'Zend/View/Helper/Abstract.php';
 
 /**
  * Helper for retrieving the BaseUrl
  *
  * @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_BaseUrl extends Zend_View_Helper_Abstract
 {
     /**
      * BaseUrl
      *
      * @var string
      */
     protected $_baseUrl;
 
     /**
      * Returns site's base url, or file with base url prepended
      *
      * $file is appended to the base url for simplicity
      *
      * @param  string|null $file
      * @return string
      */
     public function baseUrl($file = null)
     {
         // Get baseUrl
         $baseUrl = $this->getBaseUrl();
 
         // Remove trailing slashes
         if (null !== $file) {
             $file = '/' . ltrim($file, '/\\');
         }
 
         return $baseUrl . $file;
     }
 
     /**
      * Set BaseUrl
      *
      * @param  string $base
      * @return Zend_View_Helper_BaseUrl
      */
     public function setBaseUrl($base)
     {
         $this->_baseUrl = rtrim($base, '/\\');
         return $this;
     }
 
     /**
      * Get BaseUrl
      *
      * @return string
      */
     public function getBaseUrl()
     {
         if ($this->_baseUrl === null) {
             /** @see Zend_Controller_Front */
             // require_once 'Zend/Controller/Front.php';
             $baseUrl = Zend_Controller_Front::getInstance()->getBaseUrl();
 
             // Remove scriptname, eg. index.php from baseUrl
             $baseUrl = $this->_removeScriptName($baseUrl);
 
             $this->setBaseUrl($baseUrl);
         }
 
         return $this->_baseUrl;
     }
 
     /**
      * Remove Script filename from baseurl
      *
      * @param  string $url
      * @return string
      */
     protected function _removeScriptName($url)
     {
         if (!isset($_SERVER['SCRIPT_NAME'])) {
             // We can't do much now can we? (Well, we could parse out by ".")
             return $url;
         }
 
         if (($pos = strripos($url, basename($_SERVER['SCRIPT_NAME']))) !== false) {
             $url = substr($url, 0, $pos);
         }
 
         return $url;
     }
 }