N98\Util\Console\Helper\ParameterHelper::validateArgument PHP Метод

    private function validateArgument(OutputInterface $output, $name, $value, $constraints)
    {
        if (strlen($value)) {
            $errors = $this->validateValue($name, $value, $constraints);
            if ($errors->count() > 0) {
                $output->writeln('<error>' . $errors[0]->getMessage() . '</error>');
            } else {
                return $value;
            }
        }
        $question = '<question>' . ucfirst($name) . ': </question>';
        $value = $this->askAndValidate($output, $question, function ($inputValue) use($constraints, $name) {
            $errors = $this->validateValue($name, $inputValue, $constraints);
            if ($errors->count() > 0) {
                throw new InvalidArgumentException($errors[0]->getMessage());
            }
            return $inputValue;
        });
        return $value;
    }