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Latest version:
pecl install openswoole-4.11.1
<?php Swoole\Server->getCallback(string $eventName)
The event callback that you want to retrieve using the event name, no need to include on
, just the name like Request
, this relates to the server callback events
If success, it returns the registered callback, otherwise it returns null
.
Get the callback function bind on a server event.
When the callback event has been registered with the server, this method will return what was registered, so it will return the four different event registration callback types: Closure, string or an array. If the callback does not exist it will return null
.