How Do I make a PHP login and signup form without MYSQL or database?

[John_Betong]

This post may be of interest:

Can my code be made more efficient?

You should be able to use “ON CONFLICT” (similar to MySQL ON DUPLICATE KEY): https://www.sqlite.org/lang_UPSERT.html INSERT INTO referrals (idate, count) VALUES (?, 1) ON CONFLICT(idate) DO UPDATE SET count = count + 1; Note. I have not tested the code.