title: How to identify a facebook default Profile Picture from response of Facebook Graph API?
body: <p>I am using Facebook Graph Api in PHP.</p>
  
  <p>I want to check whether user profile picture is empty or not.</p>
  
  <p>Currently I am getting a response with (empty <strong>OR</strong> Facebook Default) profile picture like this:</p>
  
  <pre><code>{
    "display_image": "https://fbcdn-profile-a.akamaihd.net/hprofile-ak-xap1/t31.0-1/c282.0.960.960/p960x960/10506738_10150004552801856_220367501106153455_o.jpg"
  }
  </code></pre>
  
  <p>How can I identify that this Image is the one which facebook use as a default profile picture?</p>