/**
  * Shorthand method for inline validation
  *
  * @param array $data The data to be validated
  * @param array $validators The GUMP validators
  * @return mixed True(boolean) or the array of error messages
  */
 public static function is_valid(array $data, array $validators)
 {
     $formBuilder = new self();
     // GumpFormBuilder();
     $formBuilder->form_rules($validators);
     if ($formBuilder->run($data) === false) {
         return $formBuilder->get_readable_errors(false);
     } else {
         return true;
     }
 }