Prevent tech/accountant from performing certain tasks as per access matrix

inc_all_admin.php

@@ -3,6 +3,14 @@
 include("config.php");
 include_once("functions.php");
 include("check_login.php");
+
+if($session_user_role != 3){
+  $_SESSION['alert_type'] = "danger";
+  $_SESSION['alert_message'] = "You are not permitted to do that!";
+  header("Location: index.php");
+  exit();
+}
+
 include("header.php");
 include("top_nav.php");
 include("admin_side_nav.php");