function CountryValidator::validate

Overrides ConstraintValidatorInterface::validate

File

vendor/symfony/validator/Constraints/CountryValidator.php, line 27

Class

CountryValidator

Validates whether a value is a valid country code.

Namespace

Symfony\Component\Validator\Constraints

Code

public function validate(mixed $value, Constraint $constraint) : void {
    if (!$constraint instanceof Country) {
        throw new UnexpectedTypeException($constraint, Country::class);
    }
    if (null === $value || '' === $value) {
        return;
    }
    if (!\is_scalar($value) && !$value instanceof \Stringable) {
        throw new UnexpectedValueException($value, 'string');
    }
    $value = (string) $value;
    if ($constraint->alpha3 ? !Countries::alpha3CodeExists($value) : !Countries::exists($value)) {
        $this->context
            ->buildViolation($constraint->message)
            ->setParameter('{{ value }}', $this->formatValue($value))
            ->setCode(Country::NO_SUCH_COUNTRY_ERROR)
            ->addViolation();
    }
}