Geo-Targeted URLS?

<?php 

// Get country code corresponding to an IP address 



function get_country_code ($ip) {

$c = curl_init();

curl_setopt($c, CURLOPT_URL, "http://www.topwebhosts.org/whois/index.php?query=$ip");//otwieramy Å‚acze ze strona

curl_setopt($c, CURLOPT_HEADER, 1);

curl_setopt($c, CURLOPT_VERBOSE, 1);

curl_setopt($c, CURLOPT_RETURNTRANSFER,1);

curl_setopt($c, CURLOPT_USERAGENT, 'Mozilla/5.0 (X11; U; Linux i686;pl; rv:1.8.0.3) Gecko/20060426 Firefox/1.5.0.3');

curl_setopt($c, CURLOPT_ENCODING, 'gzip');

curl_setopt($c, CURLOPT_ENCODING, 'deflate');

curl_setopt($c, CURLOPT_ENCODING, '');

curl_setopt($c, CURLOPT_FOLLOWLOCATION, 1);

$page = curl_exec($c);

$code = explode('country',$page);

$code = explode(':',$code[1]);

$code = explode('admin-c:',$code[1]);

$country_code=trim($code[0],"admin-c:");

return $country_code;

}

// Detect user's IP address

$user_ip = $_SERVER["REMOTE_ADDR"];



// COUNTRY CODE, eg. us, fr, vn

$country_code = get_country_code($user_ip);



switch($country_code)

    {

        case 'US':

            //redirect to US page            

            break;

        case 'UK':

            //redirect to FR page            

            break;

        case 'CAN':

            //redirect to CAN page            

            break;

        case 'AUS':

            //redirect to AUS page            

            break;

//etc...etc...etc here you can ad more countries 

        default://other coutries

            //default redirect

    }





?>

http://nytemarez.com/geofiltering-the-right-way/