public function toString()
    {
        $sFirstName = $this->oxaddress__oxfname->value;
        $sLastName = $this->oxaddress__oxlname->value;
        $sStreet = $this->oxaddress__oxstreet->value;
        $sStreetNr = $this->oxaddress__oxstreetnr->value;
        $sCity = $this->oxaddress__oxcity->value;

        //format it
        $sAddress = "";
        if ($sFirstName || $sLastName) {
            $sAddress = $sFirstName . ($sFirstName ? " " : "") . "$sLastName, ";
        }
        $sAddress .= "$sStreet $sStreetNr, $sCity";

        return trim($sAddress);
    }