 DownloadHow this work?
Well its basically "exec" with serialised closure. "Dressed" in nice libs like symfony process and console.
I serialise callable function and sent to child process by exec. To get callback I register shutdown function and wait for process to finish.
Why not pcntl ?
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Pcntl extension fork, so you can forget using it in web applications like apache2/php-fpm etc its only for CLI
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forks retains the parent state (for example open files) so its problematic
Problems ?
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Calling exec is slower then fork
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Some resource/function/data must be passed directly to closure
Some research
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https://www.phproundtable.com/episode/asynchronous-php - good start to "know how" make php async
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https://amphp.org/ - non-blocking framework for PHP
Example ?
Sure take a look - https://github.com/krowinski/async/blob/master/example/example.php
Supports M$ Windows?
NO.
TODO
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process limit
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timeouts
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tests
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