title: how to post parameters in URL without key
body: <p>I'm creating a website with PHP. I want to create profile page for my users. I can do this so : </p>
  
  <pre><code>http://stackoverflow.com/users.php?uid=5272693&amp;uname=fullofquestion
  </code></pre>
  
  <p>but I want to delete .php extension and parameters key and do it like this :</p>
  
  <pre><code>http://stackoverflow.com/users/5272693/fullofquestion
  </code></pre>
  
  <p>how can I do this?</p>