@foreach($folders as $folderName => $folder) 
    @php $s = $folder['stat'] @endphp 
    <li class="jstree-open" >
        {{ $folderName }} [d:{{ $s['total']['folders'] }} | f:{{ $s['total']['files'] }}]
        <ul> 
            @foreach($folder['files'] as $fileData) 
            <li data-jstree='{"type":"php"}' class="jstree-open" >
                <a href="{{ route('docs.api_detail', ['code' => $fileData['code']]) }}" >{{ $fileData['name'] }}</a>
            </li> 
            @endforeach
            @include('docs.api_list_folder', ['folders' => $folder['folders']])
        </ul> 
    </li> 
@endforeach