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This article mainly introduces "swoole is multithreaded". In daily operation, I believe many people have doubts about whether swoole is multithreaded. The editor consulted all kinds of data and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubt that "swoole is multithreaded". Next, please follow the editor to study!

Swoole is not multithreaded. Because PHP language does not support multi-process, swoole uses multi-process mode, and there is process content isolation in multi-process mode. When modifying global global variables and super-global variables in the working process, it is invalid in other processes.

Operating environment of this tutorial: Windows10 system, Swoole4 version, DELL G3 computer

Swoole is not multithreaded

Because the PHP language does not support multithreading, Swoole uses multiprocess mode. There is process memory isolation in multi-process mode, and it is invalid for other processes to modify global global variables and hyperglobal variables within the worker process.

Multithreading in swoole is actually multi-process, and it is very expensive for processes to create too many switches. If you can use pthreads, it is recommended to use pthreads.

Examples of swoole are as follows:

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