How to implement user registration and login on iOS in Xcode?

Question

iOS

There is a main, there is a user registration on it, you need to register it, send the values ​​​​to the database and go to the next page. I know php only for registration

Answer 1

Collected data from the text fields Login, Password sent in the form of json to the server, there is validation if he sent in response that ok (on the phone) and missed further