what can i use in place of HTTP_REFERER ?
because I also use it for detecting where my incoming links are to correlate them with potential conversions for my admin stats.
$ref = $_SERVER['HTTP_REFERER'];
if (strpos($ref,"myspace.com") !== false && strpos($ref,"myspace.com") != '')
setcookie("aff", "myspace");
elseif (strpos($ref,"google.com") !== false && strpos($ref,"google.com") != '')
setcookie("aff", "google");
elseif (strpos($ref,"yahoo.com") !== false && strpos($ref,"yahoo.com") != '')
setcookie("aff", "yahoo");
elseif (strpos($ref,"msn.com") !== false && strpos($ref,"msn.com") != '')
setcookie("aff", "msn");
else
setcookie("aff", "typein");
}