pocketmine\plugin\PluginBase::setEnabled PHP Метод

    public final function setEnabled($boolean = true)
    {
        if ($this->isEnabled !== $boolean) {
            $this->isEnabled = $boolean;
            if ($this->isEnabled === true) {
                $this->onEnable();
            } else {
                $this->onDisable();
            }
        }
    }