'session' property below
*/
session_start();
/**
* you should update these values when debugging,
* NOTE website URL for the app must be be set to http://localhost:8000/
*/
$fb = new Facebook\Facebook(array(
'app_id' => '460287924057084',
'app_secret' => 'e27a5a07f9f07f52682d61dd69b716b5',
'default_graph_version' => 'v2.5',
'persistent_data_handler' => 'session'
));
$helper = $fb->getRedirectLoginHelper();
$permissions = [];
//after logging in facebook will redirect us to this callback page
$callback = 'http://localhost:8000/facebook';
try {
$accessToken = $helper->getAccessToken();
if ($accessToken) {
//if everything is ok we have accessToken from the callback
$response = $fb->get('/me', $accessToken);
$user = $response->getGraphUser()->asArray();
$logoutUrl = $helper->getLogoutUrl($accessToken, $callback);
$errorCode = 0;
} else {
//the first time we come to this page access token will be null
$loginUrl = $helper->getLoginUrl($callback);
$errorCode = 1;
$user = null;
}
} catch (FacebookSDKException $e) {
//the second time we come to this we might get this if something is wrong with login
$errorCode = " 3 " . $e->getMessage();
$user = null;
}
?>
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