1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Sensio\Bundle\FrameworkExtraBundle\DependencyInjection\Compiler;
13
14use Symfony\Component\DependencyInjection\ContainerBuilder;
15use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
16
17/**
18 * Optimizes the container by removing unneeded listeners.
19 *
20 * @author Fabien Potencier <fabien@symfony.com>
21 */
22class OptimizerPass implements CompilerPassInterface
23{
24    public function process(ContainerBuilder $container)
25    {
26        if (!$container->hasDefinition('security.token_storage')) {
27            $container->removeDefinition('sensio_framework_extra.security.listener');
28        }
29
30        if (!$container->hasDefinition('twig')) {
31            $container->removeDefinition('DependencyInjection/Compiler/OptimizerPass.php');
32        }
33    }
34}
35