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   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\DependencyInjection\Loader;
  13  
  14  use Symfony\Component\Config\Loader\Loader;
  15  use Symfony\Component\DependencyInjection\ContainerBuilder;
  16  
  17  /**
  18   * ClosureLoader loads service definitions from a PHP closure.
  19   *
  20   * The Closure has access to the container as its first argument.
  21   *
  22   * @author Fabien Potencier <fabien@symfony.com>
  23   */
  24  class ClosureLoader extends Loader
  25  {
  26      private $container;
  27  
  28      public function __construct(ContainerBuilder $container)
  29      {
  30          $this->container = $container;
  31      }
  32  
  33      /**
  34       * {@inheritdoc}
  35       */
  36      public function load($resource, $type = null)
  37      {
  38          \call_user_func($resource, $this->container);
  39      }
  40  
  41      /**
  42       * {@inheritdoc}
  43       */
  44      public function supports($resource, $type = null)
  45      {
  46          return $resource instanceof \Closure;
  47      }
  48  }