EventListener::setCallback

(PECL event >= 1.2.6-beta)

EventListener::setCallback — The setCallback purpose

说明

public EventListener::setCallback ( callable $cb [, mixed $arg = NULL ] ) : void

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

参数

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.

返回值

没有返回值。

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