hello everyone, i build this app using php and mysql and i have a problem with uuid, this my question.
- can you tell me everything about uuid?
- how can i generate uuid for sending, checking report, or deleting message using php and mysql?
- i see the uuid from my phone is change and the SMS in my database to be duplicate, does the uuid is change every moment?
- if the uuid from my phone is change, can i validate the uuid from phone with uuid from my database?
- im sorry about my english, i dont speak english well, thanks