title: PHP unique sessions
body: <p>Hi how do I use a unique hash for session's ? like when I do an if statement :</p>
  
  <pre><code>if ($_SESSION['BOOTY'] != 0){ 
   echo Nice $_SESSION['BOOTY'];
  }
  </code></pre>
  
  <p>it wont work. How to do a comparison of unique hashes with an if statement ?</p>