@if ($subcategories->count() == 0)
    <option value="" selected disabled>
        *Sin subcategorias en esa categoría*
    </option>
@else
    <option value="" disabled selected>*Selecciona una*</option>
    @foreach ($subcategories as $subcategory)
        <option value="{{ $subcategory->id }}" @selected(old('subcategory') == $subcategory->id)>
            {{ $subcategory->display_name }}
        </option>
    @endforeach
@endif