warning fix

[mirrors/Kyberia-bloodline.git] / wwwroot / inc / permissions.inc

diff --git a/wwwroot/inc/permissions.inc b/wwwroot/inc/permissions.inc
index d27a1846e600bb7c57f91d5ae4f3b33f25bc83b6..e6c2eb95ce7322c4b33d88a5589811dd3f5b1cbf 100644 (file)
--- a/wwwroot/inc/permissions.inc
+++ b/wwwroot/inc/permissions.inc
@@ -5,8 +5,13 @@ class permissions {
 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 $hierarch) {
@@ -29,8 +34,10 @@ function isHierarch($node) {
 
 function checkPermissions($node) {
 global $db;
-if (IsSet($_SESSION['user_id']) {
+if (IsSet($_SESSION['user_id'])) {
        $user_id=$_SESSION['user_id'];
+} else {
+       $user_id=0;
 }
 
 /*