I want to study ReactJS; is there a certain backend it requires? It depends on your project's demands and preferences, so it doesn't. Is it possible to utilize PHP and MySQL for the backend and ReactJS for the frontend?
Yes, you can build a backend with PHP using a framework like CodeIgniter or Laravel or plain vanilla PHP and build your API and serve your React App with the data. Alternatively, you can use Node.js, Java, spring boot,.NET, or any other backend language; just create a good REST API and use the language that best suits your project. There is much more to say.
I hope this helps you.
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