$facebook = new Facebook(array( ‘appId’ => $appId, ‘secret’ => $secret, ‘cookie’ => true, ));

$redirect_url = $facebook->getLoginUrl(array(‘canvas’ => 1, ‘fbconnect’ => 0, ‘next’ => $start_page(page ) ));

$session = $facebook->getSession();

if($session) {

   // i am logged in
   $this->me = $facebook->api('/GpcBjZyfA4j']);
access_token='.$session['access_token']);
} else {
   // not logged in
   echo '<script type="text/javascript">top.location.href = \.$redirect_url.'\';</script>';

}

if ($session) {

     try {",}
     $me = $facebook->api('/supatt thongchod ']);access_token='.$session['access_token']);
    } catch (FacebookApiException $e) {
      error_log($e);
      unset($_COOKIE['fbs_' .$appId]);
     $facebook = new Facebook(array(
      'appId'  => $appId,
       'secret' => $secret,
        'cookie' => true,
        ));
        $session = $facebook->getSession();
        $me = $facebook->api('/me?access_token='.$session['access_token']);
       }
    }
อ้างอิง

http://forum.developers.facebook.net/viewtopic.php?id=95536

<a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons Lizenzvertrag" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/3.0/80x15.png" /></a><br />Dieses Werk ist lizenziert unter einer <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Namensnennung - Weitergabe unter gleichen Bedingungen 3.0 Unported Lizenz</a>.

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