"apps.googleusercontent.com", "client_secret" => "", "redirect_uri" => "http://example.com/phpoauthlib2/example.php" ]); $oauth = new OAuth($authProvider, $_GET); $check = $oauth->check(); if ($check === true) { echo "Hello - " . $authProvider->getFirstName(); echo "
Your email is - " . $authProvider->getEmail(); } else { header("Location: " . $check); }