(PECL event >= 1.2.6-beta)
EventBufferEvent::setCallbacks — Assigns read, write and event(status) callbacks
$readcb
,
callable
$writecb
,
callable
$eventcb
[,
string
$arg
] )Assigns read, write and event(status) callbacks.
readcb
Read event callback. See About buffer event callbacks .
writecb
Write event callback. See About buffer event callbacks .
eventcb
Status-change event callback. See About buffer event callbacks .
arg
A variable that will be passed to all the callbacks.
Эта функция не возвращает значения после выполнения.