PHP HELP

i need a 1 line code to display a message only for guests on index on mybb

i've tried to do it, but i'm not knowledged enough to complete the task :/

Use chatgpt for this kind of work!

ye you can use Copilot or anything like that
kind of help for you
It's these are nothing help you can go here maybe something for you
https://codecan.net/scripts/bicrypto-cry...0-add-ons/