php展示当前目录下文件

<?php 
$files;
class fileinfo
{
    public $filename;
}
$handler = opendir(__DIR__);
while(($filename=readdir($handler))==true){
    if($filename=="." || $filename=="..")continue;
    $temp=new fileinfo();
    $temp->filename=$filename;
    $temp->filedate=date('r',filemtime(getcwd().'/'.$filename));
    $temp->filesize=filesize(getcwd().'/'.$filename);
    $files[]=$temp;
    
}
closedir($handler);
echo '<div class="uk-card uk-card-body uk-card-default" style="margin:20px"><table class="uk-table uk-table-divider">
<thead>
    <tr>
        <th>文件名</th>
        <th>修改时间</th>
        <th>文件大小</th>
    </tr>
</thead>
<tbody>';
echo '<tr><td><a class="" href="../">..</a><br></td><td></td><td></td></tr>';
foreach($files as $fileinfo){
    echo'<tr>';
    echo '<td><a class="" href="'.$fileinfo->filename.'">'.$fileinfo->filename.'</a></td>';
    echo '<td>'.$fileinfo->filedate.'</td>';
    echo '<td>'.$fileinfo->filesize.'bytes</td>';
    echo'</tr>';
}
echo '    </tbody>
</table></div>';
echo '<!-- UIkit CSS -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/css/uikit.min.css" />

<!-- UIkit JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/js/uikit.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/js/uikit-icons.min.js"></script>';

?>