Create Membership using PHP : implement to my code (db using SQLite)

I have script facebook post from code codecanyon.

[url removed, login to view]

i want add custom feature membership for user :

1. User free trial for 3 days. after 3days, the user account cannot using all feature in facebook post script. (user get notif to subscribe monthly on his dasboard).

2. Subscribe monthly.

3. automatic display message on member dashboard 7 days before subscibe expired.

admin area :

admin can see when user date signup.

admin can see who member will expired his subscribe.

PHP SQLite

ID Проекту: #7391683

Про проект