php - why my page wont get my facebook name? -

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<?php  require_once('facebook.php');  // require 'facebook.php';  $facebook = new facebook(array(     'appid' => 'my_appid',     'secret' => 'my_secret' ));   if($facebook->getuser() == 0){     $login_url = $facebook->getloginurl(array(     'scope' => 'email'     ));     echo "<a href = '$login_url'>login facebook</a>"; } else{      $api = $facebook->api('/me','get');     echo "hi " . $api[name];      echo "<br><a href ='logout.php'>logout</a>";  };  ?>

i think have facebook sdk 3.2.3 working somehow keep return logging page , when click log in facebook , facebook ask me wanted pass data on , when redirect url cant echo name , wrong ? getuser keep return = 0 ?

can me take ? wanted use 4.0 sdk friend sever 5.2 below need facebook loging working. doing wrong here?

try : 

 echo "hi " . $api['name'];

this work.


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