= 1.9.0)swoole_event_defer — Add callback function to the next event loop說(shuō)明swoole_event_defer(callable $callback): boo">
(PECL swoole >= 1.9.0)
swoole_event_defer — Add callback function to the next event loop
callback
成功時(shí)返回 true
, 或者在失敗時(shí)返回 false
。