function RegexValidator::validate

Overrides ConstraintValidatorInterface::validate

File

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

Class

RegexValidator

Validates whether a value match or not given regexp pattern.

Namespace

Symfony\Component\Validator\Constraints

Code

public function validate(mixed $value, Constraint $constraint) : void {
    if (!$constraint instanceof Regex) {
        throw new UnexpectedTypeException($constraint, Regex::class);
    }
    if (null === $value || '' === $value) {
        return;
    }
    if (!\is_scalar($value) && !$value instanceof \Stringable) {
        throw new UnexpectedValueException($value, 'string');
    }
    $value = (string) $value;
    if (null !== $constraint->normalizer) {
        $value = ($constraint->normalizer)($value);
    }
    if ($constraint->match xor preg_match($constraint->pattern, $value)) {
        $this->context
            ->buildViolation($constraint->message)
            ->setParameter('{{ value }}', $this->formatValue($value))
            ->setParameter('{{ pattern }}', $constraint->pattern)
            ->setCode(Regex::REGEX_FAILED_ERROR)
            ->addViolation();
    }
}