具体实现方法如下：
<?php
echo "<h3>subdirs in dir</h3><ul>";
$basedir = basename( __FILE__ );
$dirtoscan = ($basedir . '/somedir/');
$albumlisting = scandir($dirtoscan);
foreach ($albumlisting as $item) {
$dirinfo = pathinfo($item);
print_r($dirinfo);
if (is_dir("$item")) {
echo "<li><a href='index.php?subdirs=$item'>$item</a></li>";
}
}
?>
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