title: Facebook sdk how to get page like using scoped_user_id
body: <p>Im creating a Facebook application which will ask to like page before continue with the app. But after changing Facebook api platform to version 2, I cant get Facebook user id, I get scoped user id instead. Using scoped_user_id i cant get users who liked my page. Heres my code</p>
  
  <p>if ($fb_scope_id){</p>
  
  <p>try {
         $user_like = $facebook->api('/'.$fb_scope_id.'/likes/');</p>
  
  <p>} catch (FacebookApiException $e) {</p>
  
  <pre><code>   $user_like = null;
  </code></pre>
  
  <p>}</p>
  
  <p>}</p>
  
  <p>It returns an empty array. Any solution?</p>