<?php
  
  /*
   * This file is part of the Symfony package.
   *
   * (c) Fabien Potencier <fabien@symfony.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Symfony\Component\Routing\Loader;
  
  use Symfony\Component\Config\Resource\FileResource;
  use Symfony\Component\Config\Loader\FileLoader;
  
  /**
   * PhpFileLoader loads routes from a PHP file.
   *
   * The file must return a RouteCollection instance.
   *
   * @author Fabien Potencier <fabien@symfony.com>
   *
   * @api
   */
  class PhpFileLoader extends FileLoader
  {
      /**
       * Loads a PHP file.
       *
       * @param mixed  $file A PHP file path
       * @param string $type The resource type
       *
       * @api
       */
      public function load($file, $type = null)
      {
          // the loader variable is exposed to the included file below
          $loader = $this;
  
          $path = $this->locator->locate($file);
          $this->setCurrentDir(dirname($path));
  
          $collection = include $path;
          $collection->addResource(new FileResource($path));
  
          return $collection;
      }
  
      /**
       * Returns true if this class supports the given resource.
       *
       * @param mixed  $resource A resource
       * @param string $type     The resource type
       *
       * @return Boolean True if this class supports the given resource, false otherwise
       *
       * @api
       */
      public function supports($resource, $type = null)
      {
          return is_string($resource) && 'php' === pathinfo($resource, PATHINFO_EXTENSION) && (!$type || 'php' === $type);
      }
  }