Node Async == PHP [ pthreads, Gearman, pcntl_fork ] ?

Question

Apakah PHP sudah bisa di katakan memiliki fitur asynchronously kalau menggunakan salah satu lib :

1. pthreads, http://php.net/pthreads.
2. gearman, http://php.net/manual/en/book.gearman.php.
3. pcntl_fork, http://php.net/manual/en/function.pcntl-fork.php.
   https://www.electrictoolbox.com/article/php/process-forking
4. reactphp, https://reactphp.org/.
   reactphp/promise, https://github.com/reactphp/promise.
   friends-of-reactphp/partial, https://github.com/friends-of-reactphp/partial.
5. spatie/async, https://github.com/spatie/async.
6. stream_select, http://php.net/manual/en/function.stream-select.php.
7. Ratchet, http://socketo.me/.
   cboden/ratchet, https://packagist.org/packages/cboden/ratchet.

Answer 1

bisa jadi kalau di jalankan sebagai background service, tapi kemungkinan akan ada issue performance / memory kalau management server kurang baik.