There is missing a

Everyone is admin, please don’t do something destructive

just add a few more if else statements for every single user when they sign up, no need to set up a database or anything

I know it’s a meme, but you should switch to argon2.

At least in the last case only one password is breached and the damage is contained to that service (no user/pass data to sell).

not oc

Let me test: hunter2

What is that indentation I wanna kick whoever put a new line before the username test