--- /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\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * @author Alexander M. Turek <me@derrabus.de>
+ */
+class ResettableServicePass implements CompilerPassInterface
+{
+ private $tagName;
+
+ public function __construct($tagName = 'kernel.reset')
+ {
+ $this->tagName = $tagName;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function process(ContainerBuilder $container)
+ {
+ if (!$container->has('services_resetter')) {
+ return;
+ }
+
+ $services = $methods = array();
+
+ foreach ($container->findTaggedServiceIds($this->tagName, true) as $id => $tags) {
+ $services[$id] = new Reference($id, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE);
+ $attributes = $tags[0];
+
+ if (!isset($attributes['method'])) {
+ throw new RuntimeException(sprintf('Tag %s requires the "method" attribute to be set.', $this->tagName));
+ }
+
+ $methods[$id] = $attributes['method'];
+ }
+
+ if (empty($services)) {
+ $container->removeAlias('services_resetter');
+ $container->removeDefinition('services_resetter');
+
+ return;
+ }
+
+ $container->findDefinition('services_resetter')
+ ->setArgument(0, new IteratorArgument($services))
+ ->setArgument(1, $methods);
+ }
+}