Actualización

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

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+<?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\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Dumper\XmlDumper;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\Filesystem\Exception\IOException;
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * Dumps the ContainerBuilder to a cache file so that it can be used by
+ * debugging tools such as the debug:container console command.
+ *
+ * @author Ryan Weaver <ryan@thatsquality.com>
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ContainerBuilderDebugDumpPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        $dumper = new XmlDumper($container);
+        $filename = $container->getParameter('debug.container.dump');
+        $filesystem = new Filesystem();
+        $filesystem->dumpFile($filename, $dumper->dump(), null);
+        try {
+            $filesystem->chmod($filename, 0666, umask());
+        } catch (IOException $e) {
+            // discard chmod failure (some filesystem may not support it)
+        }
+    }
+}