<?php
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Definition;
$container = new ContainerBuilder();
$container->
register('foo', 'FooClass\\Foo')->
addArgument('foo<>&bar')->
addTag('foo"bar\\bar', array('foo' => 'foo"barřž€'))
;
return $container;