Actualización

vendor/symfony/framework-bundle/DependencyInjection/Compiler/ConfigCachePass.php

@@ -0,0 +1,45 @@
+<?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\Bundle\FrameworkBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Adds services tagged config_cache.resource_checker to the config_cache_factory service, ordering them by priority.
+ *
+ * @author Matthias Pigulla <mp@webfactory.de>
+ * @author Benjamin Klotz <bk@webfactory.de>
+ */
+class ConfigCachePass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        $resourceCheckers = array();
+
+        foreach ($container->findTaggedServiceIds('config_cache.resource_checker') as $id => $tags) {
+            $priority = isset($tags[0]['priority']) ? $tags[0]['priority'] : 0;
+            $resourceCheckers[$priority][] = new Reference($id);
+        }
+
+        if (empty($resourceCheckers)) {
+            return;
+        }
+
+        // sort by priority and flatten
+        krsort($resourceCheckers);
+        $resourceCheckers = call_user_func_array('array_merge', $resourceCheckers);
+
+        $container->getDefinition('config_cache_factory')->replaceArgument(0, $resourceCheckers);
+    }
+}