Example Analysis of scheduled tasks and fsockopen continuous process in php

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The Web server executes a PHP script, which sometimes takes a long time to return the execution result, and subsequent scripts need to wait a long time to continue execution.

If you want to simply trigger the execution of a time-consuming script without waiting for the execution result to perform the next step, you can do so through the fscokopen function.

PHP supports socket programming, and the fscokopen function returns a handle to a connection to a remote host, which can be fwrite, fgets, fread, and so on, just like the handle returned by fopen.

Using fsockopen to connect to the local server, trigger the script execution, and then return immediately, without waiting for the script execution to complete, you can achieve the effect of asynchronous PHP execution.

Example: