title: foreach array_unique not working
body: <p>I have this code:</p>
  
  <pre><code>@foreach($files['folders'] as $file)
    @foreach(array_unique($file['file_name']) as $names)
      &lt;tr&gt;&lt;td&gt;{{$names}}&lt;/td&gt;&lt;/tr&gt;
    @endforeach
  @endforeach
  </code></pre>
  
  <p>Returns null.
  I want array <code>$file</code> display only DISTINCT <code>$file['file_name']</code>.</p>