Mpociot\VatCalculator\VatCalculatorServiceProvider::registerValidatorExtension PHP 메소드

    protected function registerValidatorExtension()
    {
        $this->loadTranslationsFrom(__DIR__ . '/../../lang', 'vatnumber-validator');
        $this->app['validator']->extend('vat_number', 'Mpociot\\VatCalculator\\Validators\\VatCalculatorValidatorExtension@validateVatNumber');
    }