title: Detect or identify a framework in php (Yii or CodeIgniter)
body: <p>I have a quick question. </p>
  
  <p>I have an existing project in php. Now, i am trying to set up locally.  I am checking the way to find out which framework they have used. </p>
  
  <p>Can any one guide me how to detect framework in that existing project? Is there any way? </p>
  
  <p>Help would be appreciated. </p>