public function rules()
{
$module = Yii::app()->getModule('user');
return [['email, password', 'required'], ['verifyCode', 'required', 'on' => self::LOGIN_LIMIT_SCENARIO], ['remember_me', 'boolean'], ['verifyCode', 'yupe\\components\\validators\\YRequiredValidator', 'allowEmpty' => !$module->showCaptcha || !CCaptcha::checkRequirements(), 'message' => Yii::t('UserModule.user', 'Check code incorrect'), 'on' => self::LOGIN_LIMIT_SCENARIO], ['verifyCode', 'captcha', 'allowEmpty' => !$module->showCaptcha || !CCaptcha::checkRequirements(), 'on' => self::LOGIN_LIMIT_SCENARIO], ['verifyCode', 'emptyOnInvalid']];
}