function isHierarch($node) {
global $db;
- $user_id=$_SESSION['user_id'];
+ if (IsSet($_SESSION['user_id'])) {
+ $user_id=$_SESSION['user_id'];
+ } else {
+ $user_id=0;
+ }
if (!$user_id) return false;
+
$node_vector=chunk_split($node['node_vector'],VECTOR_CHARS,';');
$hierarchy=explode(';',$node_vector);
foreach ($hierarchy as $hierarch) {
function checkPermissions($node) {
global $db;
-$user_id=IsSet($_SESSION['user_id']);
+if (IsSet($_SESSION['user_id'])) {
+ $user_id=$_SESSION['user_id'];
+} else {
+ $user_id=0;
+}
/*
thousand lights // OMGto Hierarchy!