(PECL event >= 1.2.6-beta)
Event::set — Re-configures event
$base
,
mixed
$fd
,
int
$what
= ?
,
callable
$cb
= ?
,
mixed
$arg
= ?
) : boolRe-configures event. Note, this function doesn't invoke obsolete libevent's event_set. It calls event_assign instead.
base
The event base to associate the event with.
fd
Stream resource, socket resource, or numeric file descriptor. For timer
events pass
-1
. For signal events pass the signal number, e.g.
SIGHUP
.
what
See Event flags .
cb
The event callback. See Event callbacks .
arg
Custom data associated with the event. It will be passed to the callback when the event becomes active.
成功时返回 true， 或者在失败时返回 false。