Example of a controller class based on a complex route - http://www.symfonycentral.com

ArticleController.php

<?php
namespace Acme\DemoBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;

class ArticleController extends Controller
{
    public function showAction($culture, $year, $title)
    {
        // return response in here...
    }
}