<?php function timeout($tm) { echo time() . ": Timeout #$tm\n"; if ($tm == 5) { swoole_timer_after(3000, 'timeout', 7); } } $timer1 = swoole_timer_after(1000, function () { timeout(1); global $timer1, $timer3; swoole_timer_clear($timer1); swoole_timer_clear($timer3); }); $timer2 = swoole_timer_after(2000, 'timeout', 2); $timer3 = swoole_timer_after(4000, 'timeout', 3); $timer4 = swoole_timer_after(8000, 'timeout', 4); $timer5 = swoole_timer_after(10000, 'timeout', 5); $timer6 = swoole_timer_after(5000, 'timeout', 6); var_dump($timer1, $timer2, $timer3, $timer4, $timer5, $timer6); swoole_process::signal(SIGTERM, function() { swoole_event_exit(); });