pocketmine\scheduler\ServerScheduler::cancelTasks PHP Метод

    public function cancelTasks(Plugin $plugin)
    {
        foreach ($this->tasks as $taskId => $task) {
            $ptask = $task->getTask();
            if ($ptask instanceof PluginTask and $ptask->getOwner() === $plugin) {
                $task->cancel();
                unset($this->tasks[$taskId]);
            }
        }
    }