title: How to call an item from graph api fb?
body: <p>I want to select an specific field.item from the requested api call and echo it.for example something like this:</p>
  
  <pre><code>$getlike = $facebook-&gt;api("/fql?q=SELECT%20like_info%20FROM%20stream%20WHERE%20post_id=".$id);
  
  $getcm = $getlike['data']['like_info']['user_likes'];
  echo $getcm;
  </code></pre>
  
  <p>The JSON for the above code:</p>
  
  <pre><code>{
    "data": [
      {
        "like_info": {
          "can_like": true, 
          "like_count": 70, 
          "user_likes": false
        }
      }
    ]
  }
  </code></pre>
  
  <p>When i echo the $getcm,it wont return anything.Is there anything wrong?</p>