libphonenumber\PhoneNumberDesc::getPossibleNumberPattern PHP Method

    public function getPossibleNumberPattern()
    {
        return $this->possibleNumberPattern;
    }

 public function isNumberPossibleForDesc($nationalNumber, PhoneNumberDesc $numberDesc)
 {
     $possibleNumberPatternMatcher = new Matcher($numberDesc->getPossibleNumberPattern(), $nationalNumber);
     return $possibleNumberPatternMatcher->matches();
 }