<?php namespace Bluesquare\StorageBundle; use Bluesquare\StorageBundle\DependencyInjection\StorageExtension; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\HttpKernel\Bundle\Bundle; class StorageBundle extends Bundle { public function build(ContainerBuilder $container) { parent::build($container); } public function getContainerExtension() { if (null === $this->extension) $this->extension = new StorageExtension(); return $this->extension; } }