A function that redirects the user to the specified URL by sending the appropriate headers or by using JavaScript if the headers were already sent.

1. function RedirectToUrl($ToUrl)
2. {
3.        // If an URL was passed
4.        if(strlen($ToUrl) > 0)
5.        {
6.                // If headers were already sent, use JavaScript
7.                if(headers_sent())
8.                {
9.                       echo "<script              type=\"text/javascript\">document.location.href=\"".$ToUrl."\";
</script>\n";
10.                }
11.                else // Sent redirect headers
12.                {
13.                        header("Location: ".$ToUrl);
14.                }
15.                exit();
16.        }
17.   }