public static function newUserData()
 {
     $userData = null;
     $newUserData = null;
     if ($_SERVER["REQUEST_METHOD"] == "POST") {
         $userData = new UserData($_POST);
     }
     $_SESSION['userData'] = $userData;
     if (is_null($userData) || $userData->getErrorCount() != 0) {
         UserDataView::showNew();
     } else {
         $newUserData = UserDataDB::addUserData($userData);
         if (!is_null($newUserData) && $newUserData->getErrorCount() == 0) {
             $_SESSION['userData'] = $newUserData;
         }
         HomeView::show();
         //header('Location: /'.$_SESSION['base']);
     }
 }