libphonenumber\PhoneNumberUtil::isNumberMatchingDesc PHP 메소드

    public function isNumberMatchingDesc($nationalNumber, PhoneNumberDesc $numberDesc)
    {
        // Check if any possible number lengths are present; if so, we use them to avoid checking the
        // validation pattern if they don't match. If they are absent, this means they match the general
        // description, which we have already checked before checking a specific number type.
        $actualLength = mb_strlen($nationalNumber);
        $possibleLengths = $numberDesc->getPossibleLength();
        if (count($possibleLengths) > 0 && !in_array($actualLength, $possibleLengths)) {
            return false;
        }
        $nationalNumberPatternMatcher = new Matcher($numberDesc->getNationalNumberPattern(), $nationalNumber);
        return $nationalNumberPatternMatcher->matches();
    }