From: niekt0 <niekt0@kyberia.cz>
Date: Thu, 13 Oct 2011 20:30:15 +0000 (+0200)
Subject: removed some warnings
X-Git-Url: https://git.harvie.cz/?p=mirrors%2FKyberia-bloodline.git;a=commitdiff_plain;h=6cfa89c1d31d80113ea9e59580bbd9740ddf2e4e

removed some warnings
---

diff --git a/wwwroot/nodes.php b/wwwroot/nodes.php
index 1d68665..75b613b 100644
--- a/wwwroot/nodes.php
+++ b/wwwroot/nodes.php
@@ -156,11 +156,11 @@ if (!empty($_SESSION['debugging']) && $_SESSION['debugging']) {
 
 // DO NOT MESS WITH THIS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 //creating neural network
-if  (preg_match('/id\/(\d+)/',$_SERVER['HTTP_REFERER'],$match)) {
+if  (preg_match('/id\/(\d+)/',isset($_SERVER['HTTP_REFERER'])? $_SERVER['HTTP_REFERER'] : "",$match)) {
 	$referer_id=$match[1];
-} elseif (preg_match('/k\/([a-z0-9]{1,7})/',$_SERVER['HTTP_REFERER'],$match)) {
+} elseif (preg_match('/k\/([a-z0-9]{1,7})/',isset($_SERVER['HTTP_REFERER'])? $_SERVER['HTTP_REFERER'] : "",$match)) {
 	$referer_id=base_convert($match[1], 36, 10);
-} elseif (preg_match('/name\/(.*?)\/?$/',$_SERVER['HTTP_REFERER'],$match)) {
+} elseif (preg_match('/name\/(.*?)\/?$/',isset($_SERVER['HTTP_REFERER'])? $_SERVER['HTTP_REFERER'] : "",$match)) {
 	$referer_id  = nodes::getNodeIdByName($match[1]);
 }