How do I direct a visitor to another site if he has IE 6?

Code: Select all

<?php

$ua = $_SERVER['HTTP_USER_AGENT'];

if (strpos($ua,'MSIE') != false && strpos($ua,'Opera') === false)
{
if (strpos($ua,'Windows NT 5.2') != false)
{
if(strpos($ua,'.NET CLR') === false) return;
}
if (substr($ua,strpos($ua,'MSIE')+5,1) < 7)
{
header('Location: http://www.the-website-u-want-to-redirect-to.com);
}
}

?>

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</head>

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<script type="text/javascript">
function init() {
isIE6 = /msie|MSIE 6/.test(navigator.userAgent); 
if (isIE6) {
	window.location="http://www.microsoft.com/windows/internet-explorer/default.aspx";
}
}
window.onload = init; 
</script>