yawik / StackoverflowApi

            $tags->addChild('tag', 'none');

        }

        if (isset($options['advertisingregions']) && is_array($options['advertisingregions'])) {

            $regions = $xml->addChild('advertisingregioncodes');

            foreach ($options['advertisingregions'] as $adreg) {

                $regions->addChild('regioncode', $adreg);

            }

        }

        if (isset($options['advertisingcountries']) && is_array($options['advertisingcountries'])) {

            $countries = $xml->addChild('advertisingcountrycodes');

            }

        }

        if (isset($options['advertisingcountries']) && is_array($options['advertisingcountries'])) {

            $countries = $xml->addChild('advertisingcountrycodes');

            foreach ($options['advertisingcountries'] as $adcountry) {

                $countries->addChild('regioncode', $adcountry);

            }

        }

        return $xml->asXml();