Devise\Pages\Interpreter\DvsPageData::appendToArray PHP Метод

    protected function appendToArray(array $container, $key, $item)
    {
        if ($key === false) {
            $container[] = $item;
            return $container;
        }
        if (!isset($container[$key])) {
            $container[$key] = [];
        }
        $container[$key][] = $item;
        return $container;
    }