as admin you now can't delete your own account

app/public/delete_user.php

@@ -6,8 +6,11 @@
 
     if($_SERVER['REQUEST_METHOD'] == "POST") {
         try {
+            $selected_user_id  = get_id_user_by_user_id($con, $_SESSION['user_id']);
+            if($selected_user_id != $_POST['id']) {
                 $stmt = $con->prepare("DELETE FROM users WHERE id = :id");
                 $stmt->execute(['id' => $_POST['id']]);
+            }
         } catch(PDOException $e) {
             handle_pdo_exception($e);
         }

app/scripts/database_queries.php

@@ -530,3 +530,15 @@ function get_result_team_station($con, $s_id, $m_id) {
         handle_pdo_exception($e);
     }
 }
+
+function get_id_user_by_user_id($con, $user_id) {
+    try {
+        $stmt = $con->prepare("SELECT * FROM users WHERE user_id = ?");
+        $stmt->bindParam(1, $user_id, PDO::PARAM_STR);
+        $stmt->execute();
+        $stmt->setFetchMode(PDO::FETCH_ASSOC);
+        return $stmt->fetch()['id'];
+    } catch( PDOException $e) {
+        handle_pdo_exception($e);
+    }
+}