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
) :
boolean
Check if a timer is existed.
参数
-
timer_id
-
返回值