Why is phpsocket programming divided into server-side phpsocket and client-side phpsocket?

Why is phpsocket programming divided into server-side phpsocket and client-side phpsocket? Isn't php a server ?? A little puzzled. I learned the tutorial on this website: www. codeceo. comarticl... please take a look at the server he said, client p... why should php socket programming be divided into server-side php socket and client-side php socket? Isn't php a server ?? A little puzzled.

I am learning this Web site of the tutorial: http://www.codeceo.com/articl...

What does php socket on the server end mean ??

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Why should php socket programming be divided into server-side php socket and client-side php socket? Isn't php a server ?? A little puzzled.

I am learning this Web site of the tutorial: http://www.codeceo.com/articl...

What does php socket on the server end mean ??

Who said PHP is just a service? Pulling out and hitting pp! The premise for the LZ question is wrong.

• First, you need to understand the meaning of the context socket: the socket here refers to the http socket, it is built on TCP/IP, mac, and optical fiber cables (Transport Layer, network layer, link layer, and physical layer). socket is commonly known as socket, it is an end-to-end communication (client/server). It is not a unilateral action. tcp determines the port, ip + mac determines the host, and host + Port is the http socket here.