Keyword based redirect?

<?php

    switch($_GET['keyword'])
    {
        case 'cars':
            $uri = '/cars.html';
        break;

        case 'stacks':
            $uri = '/stacks.html';
        break;

        // Multiple matches for a single destination page
        case 'money':
        case 'cash':
        case 'hoes':
            $uri = '/jay-z.html';
        break;

        default:
            $uri = '/'; // Redirect to homepage if no match...
        break;
    }
    
    header("Location: $uri");

?>

http://yoursite.com/redirect.php?keyword=money

<?php
require_once("geoip.inc");

$gi = geoip_open("GeoIP.dat",GEOIP_STANDARD);

$country_code = geoip_country_code_by_addr($gi, $_SERVER['REMOTE_ADDR']);
geoip_close($gi);

if($country_code == 'US')
{
        header('Location: /fbappguide.com/offer/us/');
}
elseif($country_code == 'DE')
{
        header('Location: http://fbappguide.com/offer/de/');
}
elseif($country_code == 'GB')
{
        header('Location: http://GBTraffic.com');
}
elseif($country_code == 'CA')
{
        header('Location: http://CATraffic.com');
}

else {
        header('Location: http://AllTraffic.com');
}
?>

<?php 

    require_once('geoip.inc');

    $gi = geoip_open('GeoIP.dat',GEOIP_STANDARD);
    $country_code = geoip_country_code_by_addr($gi, $_SERVER['REMOTE_ADDR']);
    geoip_close($gi);

    switch($country_code)
    {
        case 'US':
            $uri = '/fbappguide.com/offer/us/';
        break;

        case 'DE':
            $uri = 'http://fbappguide.com/offer/de/';
        break;

        case 'GB':
            $uri = 'http://GBTraffic.com';
        break;

        case 'CA':
            $uri = 'http://CATraffic.com';
        break;

        default:
            $uri = 'http://AllTraffic.com';
        break;
    }

    header("Location: $uri");

?>

http://yoursite.com/?money