$appId,
'secret' => $secret,
'cookie' => true,
));
$redirect_url = $facebook->getLoginUrl(array('canvas' => 1,
'fbconnect' => 0,
'next' => $start_page
));
// We may or may not have this data based on a $_GET or $_COOKIE based session.
//
// If we get a session here, it means we found a correctly signed session using
// the Application Secret only Facebook and the Application know. We dont know
// if it is still valid until we make an API call using the session. A session
// can become invalid if it has already expired (should not be getting the
// session back in this case) or if the user logged out of Facebook.
$user = $facebook->getUser();
if (empty($user)) {
echo "";
die();
}
$me = null;
// Session based API call.
if ($user) {
try {
$me = $facebook->api('/me');
} catch (FacebookApiException $e) {
error_log($e);
}
}
// login or logout url will be needed depending on current user state.
if ($me) {
$logoutUrl = $facebook->getLogoutUrl();
} else {
$loginUrl = $facebook->getLoginUrl();
}
$friends = $facebook->api('/me/friends');
//var_dump($friends);
?>
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