title: Facebook Graph API. How to get comment from post
body: <p>Hi i have this to get comment from post it works is there is a years </p>
  
  <pre><code> $json = file_get_contents("http://graph.facebook.com/730350233684840/comments?limit=2500");
      echo $json;
  </code></pre>
  
  <p>but now i have this error in facebook </p>
  
  <pre><code>{
     "error": {
        "message": "An access token is required to request this resource.",
        "type": "OAuthException",
        "code": 104
     }
  }
  </code></pre>
  
  <p>how i can get all comment from post ?</p>
  
  <p>i have using your code @luschn 
  my request with true APP ID and App Secret </p>
  
  <pre><code>https://graph.facebook.com/730350233684840/comments?limit=2500&amp;access_token=[APPIS|APPSECRT]
  </code></pre>
  
  <p>i have this </p>
  
  <pre><code>{
     "error": {
        "message": "Invalid OAuth access token signature.",
        "type": "OAuthException",
        "code": 190
     }
  }
  </code></pre>
  
  <p>i use chrome to look this error</p>
  
  <p>--
  English is not my native language, sorry for any mistakes.</p>