QR Code Check In (API & iOS App)

PHP form for a user to register.
- First name
- Last name
- Email
- Venue

Email the user a QR code.

Create an API in PHP.

Create an app for IOS which scans the QR code and checks to see if it has been used.

Each QR code can only be used once.

https://www.dropbox.com/s/0lfrpzds4oqg6tg/RPReplay_Final1680600405.mov?dl=0