|string, null|int|string|array $option=null) */ class Validator extends \Valitron\Validator { protected static $_lang = 'ko'; public function errorStr() { $errors = array_values((array)$this->errors()); $errors = array_map(function ($value) { return join(', ', $value); }, $errors); $errors = join(', ', $errors); return $errors; } }