/**
  * Validate captcha code
  *
  * @param $code
  * @return bool
  */
 public function validate($code)
 {
     return CakeSecurimage::staticValidate($code);
 }
 public function validateCaptcha(Model $model, $check)
 {
     $value = array_values($check);
     $value = $value[0];
     return CakeSecurimage::staticValidate($value);
 }