Php/docs/event.construct
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Event::__construct
(PECL event >= 1.2.6-beta)
Event::__construct — Constructs Event object
说明
public
Event::__construct
(
EventBase
$base
,
mixed
$fd
,
int
$what
,
callable
$cb
[,
mixed
$arg
= NULL
] )
Constructs Event object.
参数
base
- The event base to associate 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
- Event flags. See Event flags .
cb
- The event callback. See Event callbacks .
arg
- Custom data. If specified, it will be passed to the callback when event triggers.
返回值
Returns Event object.