note 23845 added to ref.dir

hi everyone! i needed a function that was capable of listing only directories (where the structure of the dir-tree can be visualized), and found it rather hard to realize. since i'm quite inexperienced in php i would like to ask any of you to review the following code and tell me if there are any grave mistakes in it, thank you very much! function list_dirs($root, $sep){ if ($root[strlen($root)-1]!="/"){ $root[strlen($root)]="/"; } clearstatcache(); if (is_dir($root)){ $handle=opendir($root) or die ("No valid handle"); while (false!==($next=readdir($handle))){ clearstatcache(); if ($next!="." && $next!=".." && is_dir($root.$next)){ echo $sep." ".$root.$next."<br>"; //for instance, you can add any code you feel apropriate here list_dirs($root.$next,$sep.$sep); } } closedir($handle); } } where $sep is any kind of separator, like " " if you use this function inside <pre> tags, as is supposed to.... -- http://www.php.net/manual/en/ref.dir.php http://master.php.net/manage/user-notes.php?action=edit+23845 http://master.php.net/manage/user-notes.php?action=delete+23845 http://master.php.net/manage/user-notes.php?action=reject+23845