<?php namespace Acme\DemoBundle\DependencyInjection; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\Loader\XmlFileLoader; use Symfony\Component\HttpKernel\DependencyInjection\Extension; use Symfony\Component\Config\FileLocator; class AcmeDemoExtension extends Extension { public function load(array $configs, ContainerBuilder $container) { $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config')); $loader->load('services.xml'); } public function getAlias() { return 'acme_demo'; } }