Swoole\Timer::exists
(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)
Swoole\Timer::exists — Check if a timer is existed.
说明
public static Swoole\Timer::exists
( integer
$timer_id
) : booleanCheck if a timer is existed.
参数
-
timer_id -
返回值