Actualización

vendor/symfony/dependency-injection/Tests/Fixtures/containers/container12.php

@@ -0,0 +1,13 @@
+<?php
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+$container = new ContainerBuilder();
+$container->
+    register('foo', 'FooClass\\Foo')->
+    addArgument('foo<>&bar')->
+    addTag('foo"bar\\bar', ['foo' => 'foo"barřž€'])
+    ->setPublic(true)
+;
+
+return $container;