laravel - foreach array_unique 不工作

Question

我有这个代码：

@foreach($files['folders'] as $file)
  @foreach(array_unique($file['file_name']) as $names)
    <tr><td>{{$names}}</td></tr>
  @endforeach
@endforeach

返回空值。我只想显示数组$fileDISTINCT $file['file_name']。

Answer 1

我认为最好在你的控制器中解决这个问题，试试这个：

//TheController.php
... whatever code you have in controller...
$seen = [];
$unique_files = [];
foreach($files['folders'] as $file)
    if(!isset($seen[$file['file_name']]) {
       $seen[$file['file_name'] = true;
       $unique_files[] = $file;
    }
}
$files['folders'] = $unique_files;

//Then pass $files as usual to your view

现在，在您的模板文件中，您只有唯一值：

@foreach($files['folders'] as $file)
   <tr><td>{{$file['file_name']}}</td></tr>
@endforeach

我希望这对你有用