@if(!empty($material->document()))
    @foreach($material->document() as $key=>$document)
        <a href="{{ $document['file'] }}"
           target="_blank">
            Doc {{ ++$key }} @if(count($material->document()) == $key)  @else <span style="color: black; font-size: 18px;"> | </span>  @endif
        </a>
    @endforeach
@else
        <span>N/A</span>
@endif