--- /dev/null
+<?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\DependencyInjection\Loader;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Config\Loader\Loader;
+
+/**
+ * ClosureLoader loads service definitions from a PHP closure.
+ *
+ * The Closure has access to the container as its first argument.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClosureLoader extends Loader
+{
+ private $container;
+
+ /**
+ * @param ContainerBuilder $container A ContainerBuilder instance
+ */
+ public function __construct(ContainerBuilder $container)
+ {
+ $this->container = $container;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function load($resource, $type = null)
+ {
+ call_user_func($resource, $this->container);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function supports($resource, $type = null)
+ {
+ return $resource instanceof \Closure;
+ }
+}