1: <?php
 2: 
 3: /*
 4:  * This file is part of the Symfony package.
 5:  *
 6:  * (c) Fabien Potencier <[email protected]>
 7:  *
 8:  * For the full copyright and license information, please view the LICENSE
 9:  * file that was distributed with this source code.
10:  */
11: 
12: namespace Symfony\Component\Routing\Loader;
13: 
14: use Symfony\Component\Config\Loader\FileLoader;
15: use Symfony\Component\Config\Resource\FileResource;
16: use Symfony\Component\Routing\RouteCollection;
17: 
18: /**
19:  * PhpFileLoader loads routes from a PHP file.
20:  *
21:  * The file must return a RouteCollection instance.
22:  *
23:  * @author Fabien Potencier <[email protected]>
24:  */
25: class PhpFileLoader extends FileLoader
26: {
27:     /**
28:      * Loads a PHP file.
29:      *
30:      * @param string      $file A PHP file path
31:      * @param string|null $type The resource type
32:      *
33:      * @return RouteCollection A RouteCollection instance
34:      */
35:     public function load($file, $type = null)
36:     {
37:         $path = $this->locator->locate($file);
38:         $this->setCurrentDir(dirname($path));
39: 
40:         $collection = self::includeFile($path, $this);
41:         $collection->addResource(new FileResource($path));
42: 
43:         return $collection;
44:     }
45: 
46:     /**
47:      * {@inheritdoc}
48:      */
49:     public function supports($resource, $type = null)
50:     {
51:         return is_string($resource) && 'php' === pathinfo($resource, PATHINFO_EXTENSION) && (!$type || 'php' === $type);
52:     }
53: 
54:     /**
55:      * Safe include. Used for scope isolation.
56:      *
57:      * @param string        $file   File to include
58:      * @param PhpFileLoader $loader the loader variable is exposed to the included file below
59:      *
60:      * @return RouteCollection
61:      */
62:     private static function includeFile($file, PhpFileLoader $loader)
63:     {
64:         return include $file;
65:     }
66: }
67: