How to correctly display notifications from the database?

Question

PHP

The header displays notifications from the notification table On the bonus.php

page , there are several links leading to: bonus.php?open=1 bonus.php?open=2 When you click on the link, the text, User ID, and flag are added to the notification table. Immediately after the addition, there is a redirect to bonus.php without a parameter How to display a notification and delete it or change the flag the next time the page is reloaded?

Answer 1

Immediately upon output on the page with the output, write the necessary information into a variable, and clear the base.