I'm having trouble finding references for a program that implements a login and logout feature with multiple users using a username and password. Most references I've found use email and password for login and logout. When I try to convert the "email" code to "username", it doesn't work. Additionally, I need multi-user functionality for my project.
I tried following a tutorial video on YouTube for a multi-user login and logout system, but my page doesn't display on my monitor.