(PECL event >= 1.2.6-beta)
EventListener::setCallback — The setCallback purpose
Adjust event connect listener's callback and optionally the callback argument.
cb
The new callback for new connections. Ignored if null.
Should match the following prototype:
$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.
没有返回值。