How to create a php chat program?

The following will introduce you to a method of using your own computer as a server, and then developing a simple php chat room program:

First of all: upload your php chat room program to IIS first, so that it can run the program normally ; You can also install an apache. If you don't know how to install it, you can download "How to install apache" on Baidu.
Secondly: I suggest that friends who are interested in chat room program development learn web page production technology. This technology is very simple and you can get started quickly. Even if I tell you this, you won’t understand, right?
Finally: You can go to QQ to apply to join some relevant chat room development groups to continue interaction and communication, which will definitely be of great help to your growth.