A Symfony Controller using the @template annotation - http://www.symfonycentral.com

ArticleController.php

<?php
# src/MyCompany/BlogBundle/Controller/ArticleController.php
namespace MyCompany\BlogBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;

class ArticleController extends Controller
{
    /**
     * @Route("/article/{id}", name="_view_article")
     * @Template()
     */
    public function viewAction($id)
    {
        $article = /* build article from model in here */;

        return array('article' => $article->getBody());
        /* Note: we return what would ordinarily be passed as the 2nd argument to 'render' */
    }
}