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(PECL event >= 1.2.6-beta)
EventListener::setCallback — The setCallback purpose
$cb
[, mixed $arg = NULL
] )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
]]]] )
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。