codeigniter recursive folder treeview

[eluser]www.sblog.in[/eluser]
function readDirs($path){
$dirHandle = opendir($path);
while($item = readdir($dirHandle)) {
$newPath = $path."/".$item;
if(is_dir($newPath) && $item != '.' && $item != '..') {
echo "Found Folder $newPath<br>";
readDirs($newPath);
}
else{
echo '&nbsp;&nbsp;Found File or .-dir '.$item.'<br>';
}
}
}

$path = "/";
echo "$path<br>";

readDirs($path);