php显示指定目录下子目录的方法

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<?php

echo "<h2>subdirs in dir</h2><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>";

}

}

?>