PHP マニュアル: Constructs signal event object

説明

public static Event Event::signal(
     EventBase $base ,
     int $signum ,
     callable $cb ,
     mixed $arg = ?
)

Constructs signal event object. This is a straightforward method to create a signal event. Note, the generic Event::__construct method can contruct signal event objects too.

パラメータ

base: The associated event base object.
signum: The signal number.
cb: The signal event callback. See Event callbacks .
arg: Custom data. If specified, it will be passed to the callback when event triggers.

戻り値

Returns Event object on success. Otherwise false.

参考

Constructing signal events