From d9464c685bd249a07b65ed8a514ac29ab86da57e Mon Sep 17 00:00:00 2001
From: niekt0 <niekt0@kyberia.cz>
Date: Fri, 12 Nov 2010 23:02:42 +0100
Subject: [PATCH] Warning fix

---
 wwwroot/inc/permissions.inc | 2 ++
 wwwroot/nodes.php           | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/wwwroot/inc/permissions.inc b/wwwroot/inc/permissions.inc
index 912b386..64da8ef 100644
--- a/wwwroot/inc/permissions.inc
+++ b/wwwroot/inc/permissions.inc
@@ -31,6 +31,8 @@ function checkPermissions($node) {
 global $db;
 if (IsSet($_SESSION['user_id'])) {
 	$user_id=$_SESSION['user_id'];
+} else {
+	$user_id=0;
 }
 
 /*
diff --git a/wwwroot/nodes.php b/wwwroot/nodes.php
index a0aec7f..2985336 100644
--- a/wwwroot/nodes.php
+++ b/wwwroot/nodes.php
@@ -282,7 +282,7 @@ elseif ($transaction) {
 if ($permissions['r']) {
 
 //these 4 lines are not the source of kyberia lagging problems. leave them. started on the 10.4. data gained will be used for scientific purposes
-if ($_SESSION['user_id']) {
+if ((isset($_SESSION['user_id'])) && ($_SESSION['user_id'])) {
 	$q="insert delayed into levenshtein set user_id='".$_SESSION['user_id']."',node_id='".$node['node_id']."'";
 	$db->update($q);
 }
-- 
2.30.2