title: How to Hide parameters in URL in Symfony2
body: <p>I don't want the user see the parameters in my URL.</p>
  
  <p><strong>Example :</strong></p>
  
  <pre><code>my_route:
      path:     /***/{id}
      defaults: { _controller: MyBundle:Default:myaction}
  </code></pre>
  
  <p>the route will be generated like this :</p>
  
  <p>***/product/1</p>
  
  <p>i want just see the </p>
  
  <p>***/product</p>