CommerceGuys\Addressing\Validator\Constraints\CountryConstraintValidator::validate PHP Метод

    public function validate($value, Constraint $constraint)
    {
        if ($value === null || $value === '') {
            return;
        }
        if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
            throw new UnexpectedTypeException($value, 'string');
        }
        $countries = $this->countryRepository->getList();
        $value = (string) $value;
        if (!isset($countries[$value])) {
            if ($this->context instanceof \Symfony\Component\Validator\Context\ExecutionContextInterface) {
                $this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->addViolation();
            } else {
                $this->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->addViolation();
            }
        }
    }