Swoole 函数
PHP Manual

swoole_timer_exists

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

swoole_timer_existsCheck if a timer callback function is existed

说明

bool swoole_timer_exists ( int $timer_id )

参数

timer_id

返回值


Swoole 函数
PHP Manual