<?php

require_once('lib/init.php');

if(isset($_REQUEST['permission'])&&$_REQUEST['permission']!=""){

$permission=$_REQUEST['permission'];

}else{

$permission='read_stream';

}

$gained=facebook_client()->api_client->call_method('Users.hasAppPermission', array('ext_perm' => $permission));

echo ($gained==true?true:false);

?>