EventListener::setCallback
(PECL event >= 1.2.6-beta)
EventListener::setCallback — The setCallback purpose
Description
public EventListener::setCallback ( callable $cb [, mixed $arg = null ] ) : void
Adjust event connect listener's callback and optionally the callback argument.
Parameters
-
cb -
The new callback for new connections. Ignored if
null.Should match the following prototype:
callback ([ EventListener $listener = null [, mixed $fd = null [, array $address = null [, mixed $arg = null ]]]] ) : void
-
listener -
The EventListener object.
-
fd -
The file descriptor or a resource associated with the listener.
-
address -
Array of two elements: IP address and the server port.
-
arg -
User custom data attached to the callback.
-
-
arg -
Custom user data attached to the callback. Ignored if
null.
Return Values
No value is returned.
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https://www.php.net/manual/en/eventlistener.setcallback.php