hasValidTld example

return;
        }

        if (!\is_scalar($value) && !$value instanceof \Stringable) {
            throw new UnexpectedValueException($value, 'string');
        }

        $value = (string) $value;
        if ('' === $value) {
            return;
        }
        if (!$this->isValid($value) || ($constraint->requireTld && !$this->hasValidTld($value))) {
            $this->context->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value))
                ->setCode(Hostname::INVALID_HOSTNAME_ERROR)
                ->addViolation();
        }
    }

    private function isValid(string $domain): bool
    {
        return false !== filter_var($domain, \FILTER_VALIDATE_DOMAIN, \FILTER_FLAG_HOSTNAME);
    }

    

return;
        }

        if (!\is_scalar($value) && !$value instanceof \Stringable) {
            throw new UnexpectedValueException($value, 'string');
        }

        $value = (string) $value;
        if ('' === $value) {
            return;
        }
        if (!$this->isValid($value) || ($constraint->requireTld && !$this->hasValidTld($value))) {
            $this->context->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value))
                ->setCode(Hostname::INVALID_HOSTNAME_ERROR)
                ->addViolation();
        }
    }

    private function isValid(string $domain): bool
    {
        return false !== filter_var($domain, \FILTER_VALIDATE_DOMAIN, \FILTER_FLAG_HOSTNAME);
    }