NoDirectPhpAcess.php: logout user when he tries direct url access to a php file

Admin.php

@@ -10,7 +10,7 @@ include 'Header.php';
 <?php
 // Only Lecturer or Admin could access this page
 if ($_SESSION['user_type'] != "Lecturer" && $_SESSION['user_type'] != "Admin") {
-  die("Sorry.  Nothing to see here.");
+    die("Sorry.  Nothing to see here.");
 }
 ?>
 

NoDirectPhpAcess.php

@@ -2,6 +2,6 @@
     // https://stackoverflow.com/questions/33999475/prevent-direct-url-access-to-php-file
     if (!isset($_SERVER['HTTP_REFERER']) ) {
         /* choose the appropriate page to redirect users */
-        die( header( 'location: index.php' ) );
+        die( header( 'location: logout.php' ) );
     }
 ?>