evseevnn\Cassandra\Protocol\BinaryData::bcdechex PHP Method

    private function bcdechex($dec)
    {
        $last = bcmod($dec, 16);
        $remain = bcdiv(bcsub($dec, $last), 16);
        if ($remain == 0) {
            return dechex($last);
        }
        return $this->bcdechex($remain) . dechex($last);
    }