custom Pagination With Collection data laravel api

public function popularNews($lan){
        $this->lan = $lan;


        $query = TblPost::query();

        $query->inRandomOrder();

        $perPage = 9;
        $total = $query->count();
        $page = request()->input('page', 1);

        $query->orderBy('id', 'DESC');

        $data = $query->offset(($page - 1) * $perPage)->limit($perPage)->get();

        return [
            'data' => $this->getCollections($data),
            'total' => $total,
            'page' => $page,
            'last_page' => ceil($total / $perPage)
        ];
    }