1 <ul id="nav">

2

3 <?php

4

5 define('BASE', 'data/');

6

7 echo ' <li><a href="."'. (empty($_GET['path']) ? ' id="selected"' : '') .">Home</a></li>";

8 // build nav tree

9 echo ' '. navtree("") ."\n";

10 ?>

11

12

13 </ul>

14

15 <?php

16

17

18

19 /* recursive function creates the output for the nav tree */

20 function navtree($root) {

21

22 if (!empty($root)) {

23 $root .= '/';

24 }

25 $files = scandir(BASE."$root");

26 $return = '';

27 foreach ($files as $f) {

28 if (!is_dir(BASE."$root$f") || substr($f, 0, 1) == '.') {

29 continue;

30 }

31 $return .= "<li><a href=\"?path=$root$f\"". ((isset($_GET['path']) && $_GET['path'] == "$root$f") ? ' id="selected"' : '') .">$f</a>";

32 $subtree = navtree("$root$f");

33 if (!empty($subtree)) {

34 $return .= "<ul>$subtree</ul>";

35 }

36 unset($subtree);

37 }

38 $return .= '</li>';

39 return $return;

40 }

41

42 ?>