DB::insertId PHP Method

    public static function insertId()
    {
        $args = func_get_args();
        return call_user_func_array(array(DB::getMDB(), 'insertId'), $args);
    }

function runGeoLookup()
{
    global $GEOIP_REGION_NAME;
    $geoip = Net_GeoIP::getInstance(BT_ROOT . "/bt-config/GeoLiteCity.dat");
    $location = null;
    try {
        $location = $geoip->lookupLocation($_SERVER['REMOTE_ADDR']);
    } catch (Exception $e) {
        //ignore it, seriously dude, friggin ignore it.
    }
    if ($location) {
        $country = DB::quote($location->countryCode);
        $country_full = DB::quote($location->countryName);
        $state = DB::quote($location->region);
        $state_full = @DB::quote($GEOIP_REGION_NAME[strtoupper($location->countryCode)][strtoupper($location->region)]);
        $city = DB::quote($location->city);
        $timezone = @DB::quote(get_time_zone($location->countryCode, $location->region));
        $postalcode = DB::quote($location->postalCode);
    } else {
        return 0;
    }
    $sql = "select location_id from bt_g_geo_locations where country='{$country}' and state='{$state}' and city='{$city}'";
    $id = DB::getVar($sql);
    if (!$id) {
        $sql = "insert into bt_g_geo_locations values ('','{$country}','{$country_full}','{$state}','{$state_full}','{$city}','{$timezone}','{$postalcode}')";
        DB::query($sql);
        $id = DB::insertId();
    }
    return $id;
}