Right now im using a software billing system "Radius Manager that is used for ISP (Internet Service Provider)
And in Client Editing page i want to add button above on page "Add 3 days More" For example: https://i.stack.imgur.com/tIsXw.png
So.. Can someone help me to make a Php script that can execute and change date expiry in database (Mysql)
Feel Free to contact me 🙂
Sry my english is bad!
Source: Ask PHP