function reschedule_cb_10s ($watcher, $now) { return $now + 10.;}//PHP7.0+版本不支持reschedule_cb模式// PHP5.6测试通过$w5 = new EvPeriodic(0.0, 0.0, "reschedule_cb_10s", function ($w, $revents) { echo "w5:enter:", time(), PHP_EOL;// sleep(3); echo "w5:end:", time(), PHP_EOL;});Ev::run();