private static function conversionRoutingCode($zipcode) {
        $number = $zipcode;
        switch (strlen($zipcode)) {
            case 11:
                $number = bcadd($number, '1000000000', 0);
            case 9:
                $number = bcadd($number, '100000', 0);
            case 5:
                $number = bcadd($number, '1', 0);
            default:
                return $number;
        }
    }
private static function conversionRoutingCode($zipcode) {
        $number = $zipcode;
        switch (strlen($zipcode)) {
            case 11:
                $number = bcadd($number, '1000000000', 0);
            case 9:
                $number = bcadd($number, '100000', 0);
            case 5:
                $number = bcadd($number, '1', 0);
            default:
                return $number;
        }
    }
private static function conversionRoutingCode ( $ zipcode ) { $ number = $ zipcode ; switch ( strlen ( $ zipcode ) ) { case 11 : $ number = bcadd ( $ number , '1000000000' , 0 ) ; case 9 : $ number = bcadd ( $ number , '100000' , 0 ) ; case 5 : $ number = bcadd ( $ number , '1' , 0 ) ; default : return $ number ; } }
Converts the routing code zipcode.

@param string $zipcode
@return string BCNumber
Converts the routing code zipcode .