title: Is starting session_start this way more secure?
body: <p>A friend of mine starts his Session this way.</p>
  
  <pre><code>&lt;?php
  session_start();
  session_regenerate_id();
  session_destroy();
  unset($_SESSION);
  session_start();
  ?&gt;
  </code></pre>
  
  <p>Are there any security advantages, against Session hijacking etc.</p>
  
  <p>Just wondering why as against the usual session_start();</p>