$fid = 22
resource = walk.php (Pebbles Demo)

The stack:

pebbles = Array
(
    [0] => Array
        (
            [0] => PHP
            [1] => PHP Labs
        )

    [1] => Array
        (
            [0] => labs
            [1] => Learning Labs
        )

    [2] => Array
        (
            [0] => vnav
            [1] => Sidebar Menus
        )

    [3] => Array
        (
            [0] => /
            [1] => Home
        )

)

After popping the stack...

path: /vnav/labs/PHP/walk.php
Home < Sidebar Menus < Learning Labs < PHP Labs < Pebbles Demo