PHP - Display a 404 Error without redirecting to another page

Question

I want to display a 404 Error if a user reaches a page that exists but I don\'t want him/her to see.

I don\'t want to do redirect (that would cause the address bar t

Answer 1

You can achieve a 404 (or any other HTTP response code really) programmatically with

header('HTTP/1.0 404 Not Found');
die;