preventing direct access to a php page, only access if redirected

Question

I want to make my php page only accessible from another page redirect and prevent my user from accessing it directly.

I mean, let\'s say I have a page called

Answer 1

You tried on this Iva. Below is the code that works:

$url != 'your-url-which-you-do-not-what-direct access';

if ($_SERVER['HTTP_REFERER'] == $url) {
  header('Location: otherurl.php'); //redirect to some other page
  exit();
}

Ensure this appears at the top of the page where you do not want direct access to.