What are the advantages of php multithreading?

The advantages of php multi-threading are as follows:

1. Using multiple processes, after the child process ends, the kernel will be responsible for recycling resources.

2. When using multiple processes, the abnormal exit of the child process will not cause the entire process Thread to exit, and the parent process will still have the opportunity to rebuild the process.

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3. A resident main process is only responsible for task distribution, and the logic is clearer.

4. The multi-process method is more stable, and data sharing can also be achieved using inter-process communication (IPC).

5. Shared memory. This method is the same as reading and writing variables between threads. It requires locking and may cause synchronization and deadlock problems.

6. Message queue can use multiple sub-processes to grab the queue mode, and the performance is very good.

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