PHP Manual
Event
Makes event pending

Event::add

(PECL libevent >= 0.0.1)

Event::add — Makes event pending

说明

public Event::add ([ float $timeout ] ) : bool

Marks event pending. Non-pending event will never occur, and the event callback will never be called. In conjuction with Event::del() an event could be re-scheduled by user at any time.

If Event::add() is called on an already pending event, libevent will leave it pending and re-schedule it with the given timeout(if specified). If in this case timeout is not specified, Event::add() has no effect.

参数

timeout: Timeout in seconds.

返回值

Returns TRUE on success. Otherwise FALSE

参见

Event::addSignal() - Makes signal event pending
Event::addTimer() - Makes timer event pending
Event::del() - Makes event non-pending

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