@foreach($childs as $child)
<option value="{{ $child->id }}" @if($post->productcat_id == $child->id) selected @endif >{{ $child->title }}</option>

  @if(count($child->childs))
      @include('admin.blog.editcatagain',['childs' => $child->childs, 'post'=>$post])
  @endif
@endforeach