How to use Socket Technology in PHP

Editor to share with you how to use Socket technology in PHP, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

PhpsocketSocket is located in the transmission control protocol of the TCP/IP protocol, which provides asynchronous communication in the client-server mode, that is, the client sends a service request to the server, and the server receives the request and provides corresponding feedback or service! I practiced a basic example:

Use and initiate a block connection, that is, if the server does not return a data stream, it remains connected all the time, and disconnects as soon as the data stream is received. The code is as follows:

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