Does the Server Side must use socket.io?

[miaozilong]

hello i'm a newer, answer me thanks !
Can the Server Side use Java or PHP?

[LukasUnbesiegt]

This one may help your answer but it use socket.io version 1 . https://github.com/walkor/phpsocket.io

[jackdh]

Hey @miaozilong

I'm currently using Python with python-socket.io so to answer your second question yes.

As for having to be socket.io or at least library which implements it's design I would say yes but you'll need the author to confirm that.