EventListener::setCallback

(PECL event >= 1.2.6-beta)

EventListener::setCallback — The setCallback purpose

Beschreibung

public EventListener::setCallback( callable $cb , mixed $arg = null ): void

Adjust event connect listener's callback and optionally the callback argument.

Parameter-Liste

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.

Rückgabewerte

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