source: pro-bachkim-filespace/violetspace-prototype/getdata.php

<?php

$aryDir = array(
                        0 => array ('id' => 1, 'name' => 'Dir 1', 'parentID' => 0),
                        1 => array ('id' => 2, 'name' => 'Dir 2', 'parentID' => 0),
                        2 => array ('id' => 3, 'name' => 'Dir 1.1', 'parentID' => 1),
                        3 => array ('id' => 4, 'name' => 'Dir 1.1.1', 'parentID' => 3),
                        4 => array ('id' => 5, 'name' => 'Dir 1.1.1.1', 'parentID' => 4),
                        5 => array ('id' => 6, 'name' => 'Dir 1.1.2', 'parentID' => 3),
                        6 => array ('id' => 7, 'name' => 'Dir 3', 'parentID' => 0),
                        7 => array ('id' => 8, 'name' => 'Dir 3.1', 'parentID' => 7)
                );

$aryFile = array(
                0 => array('id' => 1, 'name' => 'File 1', 'minetype' => 'text', 'size' => '1.5MB', 'parentID' => 1),
                1 => array('id' => 2, 'name' => 'File 2', 'minetype' => 'text', 'size' => '1.6MB', 'parentID' => 1),
                2 => array('id' => 3, 'name' => 'File 3', 'minetype' => 'text', 'size' => '1.7MB', 'parentID' => 2),
                3 => array('id' => 4, 'name' => 'File 4', 'minetype' => 'text', 'size' => '1.8MB', 'parentID' => 2),
                4 => array('id' => 5, 'name' => 'File 5', 'minetype' => 'text', 'size' => '1.8MB', 'parentID' => 0),
                5 => array('id' => 6, 'name' => 'File 6', 'minetype' => 'text', 'size' => '1.8MB', 'parentID' => 3),
                5 => array('id' => 7, 'name' => 'File 7', 'minetype' => 'text', 'size' => '1.8MB', 'parentID' => 5)
);

$aryData = array('DIRECTORIES' => $aryDir, 'FILES' => $aryFile);


if (isset($_POST['action'])) {
        if ($_POST['action'] == 'create_dir') {
                $newID = 9;
                $aryNewDir = array('id' => $newID, 'name' => $_POST['name'], 'parentID' => $_POST['parentID']);
                echo json_encode($aryNewDir);
        }
        /*else if ($_POST['action'] == 'delete_dir') {
                $aryDelDir = array('id' => $_POST['id'], 'isSuccess' => true);
                echo json_encode($aryDelDir);
        }*/
}
else {
        echo json_encode($aryData);
}