/**
  * Detect and return the path to current Zend loader class.
  *
  * Starting from ZF 0.9.0 autoloading function has been moved
  * from Zend.php to Zend/Loader.php class.
  * Starting from ZF 1.0.0 Zend.php class no longer exists.
  *
  * This function tries to detect whether Zend_Loader exists
  * and returns its path if yes.
  * If the first step fails, the class will try to find Zend.php library
  * available in ZF <= 0.9.0 and returns its path if its exists.
  *
  * If neither Zend/Loader.php nor Zend.php exists,
  * then this function will raise a sfConfigurationException exception.
  *
  * @return  string  Path to default Zend Loader class
  * @throws  sfConfigurationException
  *
  * @author  Simone Carletti <*****@*****.**>
  */
 public static function requireZendLoader()
 {
     // get base path according to sf setting
     $base = sfConfig::get('sf_zend_lib_dir') ? sfConfig::get('sf_zend_lib_dir') . '/' : '';
     // first check whether Zend/Loader.php exists
     // Zend/Loader.php is available starting from ZF 0.9.0
     // Before ZF 0.9.0 you should call Zend.php
     // Plese note that Zend.php is still available in ZF 0.9.0
     // but it should not be called because deprecated
     if (file_exists($base . 'Zend/Loader.php')) {
         require_once $base . 'Zend/Loader.php';
         self::$withLoader = true;
     } else {
         if (file_exists($base . 'Zend.php')) {
             require_once $base . 'Zend.php';
             self::$withLoader = false;
         } else {
             throw new sfConfigurationException('Invalid Zend Framework library structure, unable to find Zend/Loader.php (ZF >= 0.9.0) or Zend.php (ZF < 0.9.0) library');
         }
     }
 }
<?php

/*
 * This file is part of the symfony package.
 * (c) 2004-2006 Fabien Potencier <*****@*****.**>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
if (sfConfig::get('sf_zend_lib_dir')) {
    set_include_path(sfConfig::get('sf_zend_lib_dir') . PATH_SEPARATOR . get_include_path());
}
sfZendFrameworkBridge::requireZendLoader();
/**
 * This class makes easy to use Zend Framework classes within symfony.
 *
 * @package    symfony
 * @subpackage addon
 * @author     Fabien Potencier <*****@*****.**>
 * @version    SVN: $Id: sfZendFrameworkBridge.class.php 4752 2007-07-31 08:58:33Z fabien $
 */
class sfZendFrameworkBridge
{
    public static function autoload($class)
    {
        try {
            if (class_exists('Zend_Version')) {
                Zend_Loader::loadClass($class);
            } else {
                Zend::loadClass($class);
            }