--- /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\Routing\Loader;
+
+use Symfony\Component\Config\Loader\Loader;
+use Symfony\Component\Routing\RouteCollection;
+
+/**
+ * ClosureLoader loads routes from a PHP closure.
+ *
+ * The Closure must return a RouteCollection instance.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClosureLoader extends Loader
+{
+ /**
+ * Loads a Closure.
+ *
+ * @param \Closure $closure A Closure
+ * @param string|null $type The resource type
+ *
+ * @return RouteCollection A RouteCollection instance
+ */
+ public function load($closure, $type = null)
+ {
+ return $closure();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function supports($resource, $type = null)
+ {
+ return $resource instanceof \Closure && (!$type || 'closure' === $type);
+ }
+}