CodeIgniter Geo Location by IP

if (!function_exists('get_geolocation')) {
    
    function get_geolocation($ip) {
        $d = file_get_contents("http://www.ipinfodb.com/ip_query.php?ip=$ip&output=xml");
        
        //Use backup server if cannot make a connection
        if (!$d) {
            $backup = file_get_contents("http://backup.ipinfodb.com/ip_query.php?ip=$ip&output=xml");
            $result = new SimpleXMLElement($backup);
            if (!$backup)
                return false; // Failed to open connection
        } else {
            $result = new SimpleXMLElement($d);
        }
        //Return the data as an array
        return array('ip'=>$ip, 'country_code'=>$result->CountryCode, 'country_name'=>$result->CountryName, 'region_name'=>$result->RegionName, 'city'=>$result->City, 'zip_postal_code'=>$result->ZipPostalCode, 'latitude'=>$result->Latitude, 'longitude'=>$result->Longitude, 'timezone'=>$result->Timezone, 'gmtoffset'=>$result->Gmtoffset, 'dstoffset'=>$result->Dstoffset);
    }
}