1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_View

    17  * @subpackage Helper

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @version    $Id: BaseUrl.php 20096 2010-01-06 02:05:09Z bkarwin $

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

    21  */

    22 

    23 /** @see Zend_View_Helper_Abstract */

    24 require_once 'Zend/View/Helper/Abstract.php';

    25 

    26 /**

    27  * Helper for retrieving the BaseUrl

    28  *

    29  * @package    Zend_View

    30  * @subpackage Helper

    31  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

    33  */

    34 class Zend_View_Helper_BaseUrl extends Zend_View_Helper_Abstract

    35 {

    36     /**

    37      * BaseUrl

    38      *

    39      * @var string

    40      */

    41     protected $_baseUrl;

    42 

    43     /**

    44      * Returns site's base url, or file with base url prepended

    45      *

    46      * $file is appended to the base url for simplicity

    47      *

    48      * @param  string|null $file

    49      * @return string

    50      */

    51     public function baseUrl($file = null)

    52     {

    53         // Get baseUrl

    54         $baseUrl = $this->getBaseUrl();

    55 

    56         // Remove trailing slashes

    57         if (null !== $file) {

    58             $file = '/' . ltrim($file, '/\\');

    59         }

    60 

    61         return $baseUrl . $file;

    62     }

    63 

    64     /**

    65      * Set BaseUrl

    66      *

    67      * @param  string $base

    68      * @return Zend_View_Helper_BaseUrl

    69      */

    70     public function setBaseUrl($base)

    71     {

    72         $this->_baseUrl = rtrim($base, '/\\');

    73         return $this;

    74     }

    75 

    76     /**

    77      * Get BaseUrl

    78      *

    79      * @return string

    80      */

    81     public function getBaseUrl()

    82     {

    83         if ($this->_baseUrl === null) {

    84             /** @see Zend_Controller_Front */

    85             require_once 'Zend/Controller/Front.php';

    86             $baseUrl = Zend_Controller_Front::getInstance()->getBaseUrl();

    87 

    88             // Remove scriptname, eg. index.php from baseUrl

    89             $baseUrl = $this->_removeScriptName($baseUrl);

    90 

    91             $this->setBaseUrl($baseUrl);

    92         }

    93 

    94         return $this->_baseUrl;

    95     }

    96 

    97     /**

    98      * Remove Script filename from baseurl

    99      *

   100      * @param  string $url

   101      * @return string

   102      */

   103     protected function _removeScriptName($url)

   104     {

   105         if (!isset($_SERVER['SCRIPT_NAME'])) {

   106             // We can't do much now can we? (Well, we could parse out by ".")

   107             return $url;

   108         }

   109 

   110         if (($pos = strripos($url, basename($_SERVER['SCRIPT_NAME']))) !== false) {

   111             $url = substr($url, 0, $pos);

   112         }

   113 

   114         return $url;

   115     }

   116 }