vendor/symfony/routing/Symfony/Component/Routing/Loader/ClosureLoader.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   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\Loader;
  15 use Symfony\Component\Routing\RouteCollection;
  16
  17 /**
  18  * ClosureLoader loads routes from a PHP closure.
  19  *
  20  * The Closure must return a RouteCollection instance.
  21  *
  22  * @author Fabien Potencier <fabien@symfony.com>
  23  *
  24  * @api
  25  */
  26 class ClosureLoader extends Loader
  27 {
  28     /**
  29      * Loads a Closure.
  30      *
  31      * @param \Closure    $closure A Closure
  32      * @param string|null $type    The resource type
  33      *
  34      * @return RouteCollection A RouteCollection instance
  35      *
  36      * @api
  37      */
  38     public function load($closure, $type = null)
  39     {
  40         return call_user_func($closure);
  41     }
  42
  43     /**
  44      * {@inheritdoc}
  45      *
  46      * @api
  47      */
  48     public function supports($resource, $type = null)
  49     {
  50         return $resource instanceof \Closure && (!$type || 'closure' === $type);
  51     }
  52 }