ext-swooleis supported until v4.7.1, use
ext-openswoole>= v4.7.1. Latest version:
pecl install openswoole-4.9.1
<?php Swoole\Coroutine\Server->shutdown(): bool
true when successful and
false when not.
Terminate the active coroutine server.
It is possible to start and shutdown a server multiple times, just make sure it is running before you try and shutdown a server more than once.