How to pass information from a database to a React application?

Question

PHP

I have written a web application in pure php with mysql subd.
I want to rewrite it in React.

General question: what do I need to do for this?
A specific question: how to display information from the database to the site, if now html is written in react?

Can you provide some sources on this topic?

Answer 1

Make an API on the Backend. Form response in Json