From 75617ddbfbcefeae3de7988e46badcb8227f0dc4 Mon Sep 17 00:00:00 2001
From: janw <janw@594d385d-05f5-0310-b6e9-bd551577e9d8>
Date: Fri, 21 Apr 2006 08:41:09 +0000
Subject: [PATCH] $classes may be null

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@3080 594d385d-05f5-0310-b6e9-bd551577e9d8
---
 plugins/generic/references/class_reference.inc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/plugins/generic/references/class_reference.inc b/plugins/generic/references/class_reference.inc
index 43d945dbe..3f53973be 100644
--- a/plugins/generic/references/class_reference.inc
+++ b/plugins/generic/references/class_reference.inc
@@ -154,11 +154,13 @@ class reference extends plugin
   function createContentString($classes)
   {
 	$result= "";
-  	foreach ($classes as $class){
-		if (isset($this->obtypes[$class])){
-			$result.= "<a><img alt=\"\" border=0 src='images/".$this->obtypes[$class]['image']."'>&nbsp;".$this->obtypes[$class]['text']."</a> ";
+  	if(!is_null($classes)) {
+		foreach ($classes as $class){
+			if (isset($this->obtypes[$class])){
+				$result.= "<a><img alt=\"\" border=0 src='images/".$this->obtypes[$class]['image']."'>&nbsp;".$this->obtypes[$class]['text']."</a> ";
+			}
 		}
-	}	
+	}
 	return (preg_replace('/ $/', '', $result));
   }
   
-- 
2.30.2