@foreach($data['sub_categories'] as $key=>$subCategory)
    @if($subCategory['enabled'])
        Категория: {{ var_dump($subCategory['title']) }}

        @foreach ($data['products'] as $product)
            @if($category['id'] == $product['category_id'] && $product['sub_category_id'] == $subCategory['id'])
                <pre>
                {{ var_dump($product['title']) }}
                </pre>
            @endif
        @endforeach
    @endif
@endforeach