@foreach($symbols as $symbol)
      @if(isset($onClick))
        <li onclick="{{ $onClick }}" data-type="symbol" data-id="{{ $symbol->id }}" > 
    @else
    <li data-type="symbol" data-id="{{ $symbol->id }}" > 
    @endif
            <a>
                <img  src="{{ url('images/50/25'.$symbol->image) }}" alt="{{ strlen($symbol->title)==0?'فاقد عکس': $symbol->title }}" > 
            </a>
        </li>
    @endforeach