<?php
$timer = $threads->getMain()->getTimer();
$id = $timer->setTimeout(function () use ($console) {
    $console->log("1s后执行的操作, 但是不会被执行, 因为被 clearTimeout 移除了.");
}, 1000);
$timer->setTimeout(function () use ($timer, $id) {
    $timer->clearTimeout($id);
}, 200);