PHP How to header-location to a page in a parent directory?

Question

I have a first.php page with

header(\"Location: script/script1.php\")

and script1.php has another

Answer 1

have a try with this:

header("Location: ../first.php")

or use an absolute path or url instead.

Explanation: .. is the unix/linux expression used for 'parent directory'. The Internet is unix land, so that rules applies there too.