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4.x is outdated, please check the latest version 22.x
Latest version:
pecl install openswoole-22.1.2
<?php Swoole\Server->tick(int $milliseconds, mixed $callback): int
The timer tick interval in milliseconds, the timer will keep running using this interval
The callback that the timer will run everytime the interval is met
If success, it returns a unique ID of the timer, otherwise it returns false.
Trigger a timer tick by interval (set in milliseconds). This method is just an alias of function Swoole\Timer::tick, please refer to the timer documentation for more information about Swoole Timers.
A Timer will be destroyed once its worker process where it started from ends.
You can remove the timer later by calling Swoole\Timer::clear(int $timerId).
If the server reloads ro restarts, timers are stopped. If timers are handling critical data, you should implement some functionality to gracefully bring down the timers upon the onWorkerStop event.
Use the Swoole\Server->tick in onReceive:
<?php
function onReceive($server, $fd, $from_id, $data)
{
$server->tick(1000, function() use ($server, $fd)
{
$server->send($fd, "hello world");
});
}
Use the Swoole\Server->tick in onWorkerStart:
<?php
function onWorkerStart(Swoole\Server $server, $worker_id)
{
$server->tick(1000, function ($id)
{
var_dump($id);
});
}