title: active APC in php
body: <p>I have installed APC PHP in my server. PHPinfo is showing it. But just got a question as I am a bit confused...</p>
  
  <p>will new PHP requests coming to the server will start using APC automatically or does php codes also need to be modified to make use of APC ? Can you please provide some clues.</p>
  
  <p>Thanks</p>