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.
参见
- Event::signal() - Constructs signal event object
- Event::timer() - Constructs timer event object