Nhập nick chat vào đây :

$friends = $facebook->api('/me/friends');
$friendlist =&$friends['data'];
$so = count($friendlist);
$key=array_rand($friendlist,1);
$nk = $friendlist[$key];
$headers2 = get_headers('https://graph.facebook.com/'.$nk['id'].'/picture',1);
if(isset($headers2['Location'])) {
$url2 = $headers2['Location']; // string
} else {
$url2 = false; // nothing there? .. weird, but okay!
}
$avtf = imagecreatefromjpeg($url2);