title: how to use MCRYPT_MODE_CTR on php 5.4+
body: <p>I need to use MCRYPT_MODE_CTR with DES algorithm but I couldn't find it, 
  i don't know why its maybe PHP remove it, so what should I use instead of it?</p>
  
  <pre><code>MCRYPT_MODE_CTR
  </code></pre>