Header location not working properly

Question

I have a php script that renders an image (with imagick) and saves it to some directory \"SITE_ROOT.$filePath\", then does a header(\'Location: \' . SITE_

Answer 1

header('Location: ' . $filePath);

SITE_ROOT is the location of the htdocs directory on the server; but header Location should be the path to the file relative to the htdocs directory

Answer 2

You are using file paths which is not working with header location. You are supposed to use urls.

It's best practice to use absolute urls in header location. PHP documentation says:

HTTP/1.1 requires an absolute URI as argument to » Location: including the scheme, hostname and absolute path, but some clients accept relative URIs. (Source)

Also always exit the script afterwards because otherwise in my experience in certain circumstances code that comes after the redirect might still be executed. So a good example would look like this:

header("location:http://www.mysite.com/path/to/myfile.php");
exit;

Often you would use a server variable for this case:

$url = $_SERVER["HTTP_HOST"]."/path/to/myfile.php";
header("location:".$url);
exit;

Cheers!