How to display categories in Accordion::widget?

Question

Yii

Guys, I now have an output in the FAQ using Accordion::widget.

<?= Accordion::widget([
        'items' => array_map(function ($item) {
            return [
                'label' => $item['name'],
                'content' => $item['description']
            ];
        }, $items),
    ]);

    ?>

I made categories. Can you please tell me how to group questions and categories? To be something like this: