title: accessing url segments in zend framework
body: <p>I want to know that is there any way to get uri segment like codeigniter provide..
  In codeigniter we can do ;</p>
  
  <pre><code>$this-&gt;uri-&gt;segment(3);
  </code></pre>
  
  <p>to get 3rd segment of url..
  Let say i have an url like;</p>
  
  <pre><code>www.example.com/param1/param2/param3/param4
  </code></pre>
  
  <p>How can i get parameters?</p>