<?php
$urls=array(    1=>'http://url1.com/',
                2=>'http://url2.com',
                3=>'http://url3.com'
);
$id=intval($_GET['id']);
if (array_key_exists($id,$urls))
        {
        $url=$urls[$id];
        header("Location: ".$url);
        }
else header("Location: http://url for all traffic without id");
?>

<?
$s = "`".substr($HTTP_GET_VARS["u"], 0, 15)."`";
$plinks = file("./link.txt");
$plinks = join($plinks,"");
if(!stristr($plinks,$s)) {
print Header("Location: http://google.com");
exit;
}

$plinks = split($s,$plinks);
print Header("Location: http://$plinks[1]");
?>

`tuda1`www.kudanujno.com`tuda1`
`tuda2`www.sudhochu.com`tuda2`