Facebook php sdk Retrive friendlist problem

[smart_666]

Title should say my words.Here is my basic code...\[code\] <?php require_once 'fb-sdk/src/facebook.php';// Create our Application instance.$facebook = new Facebook(array( 'appId' => 'xxxxxxx', 'secret' => 'xxxxxxxxxxxxxxxx', 'cookie' => true,));$accessToken = $facebook->getAccessToken();$session = $facebook->getSession();$uid = $facebook->getUser(); //echo "https://graph.facebook.com/".$uid."/friends/?access_token=".$accessToken;$frnd = $facebook ->api('/me/friends?access_token='.$accessToken);echo $frnd["data"][0]["name"]; ?>\[/code\]But it returns a peculiar output.\[code\]???\[/code\]Could any one tell me where the problem is?