Facebook API sometimes doesn't load -


i'm having problem when using 

 $facebook->api('/me','get');

when loading page first time, nothing happen. have reload page again make script work. not sure problem is.

require_once('src/facebook.php');  $app_id = "app_id"; $app_secret = "app_secret";  // init facebook api. $facebook = new facebook(array(     'appid' => $app_id,     'secret' => $app_secret,     'cookie' => true, ));  //facebook authentication part $user_id = $facebook->getuser();     $loginurl   = $facebook->getloginurl(         array(             'scope'         => 'publish_stream, user_likes'         ) );  if (!$user_id) {     echo "<script type='text/javascript'>top.location.href = '$loginurl';</script>";     exit; }  $user_profile = $facebook->api('/me','get'); $user_gender = $user_profile['gender'];     if($user_gender == 'male'){         echo "you male";     } else {         if ($user_gender == 'female'){             echo "you female";         } else{             echo "gender not specified";         }     }

i tried take $facebook->api('/me','get'); out , echo $user_id, example, works.


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