Nette\Utils\Callback::invoke PHP Метод

    public static function invoke($callable, ...$args)
    {
        self::check($callable);
        return call_user_func_array($callable, $args);
    }

 protected function createComponent($name)
 {
     $class = $this->containerClass;
     $this[$name] = $container = new $class();
     $this->containerFactory->invoke($container, $this->parent);
     return $container;
 }