From 08a2e9c9356ce3b8ee4ef223526d8af203ab8531 Mon Sep 17 00:00:00 2001
From: Christian Schiffler <c.schiffler@cyberspectrum.de>
Date: Wed, 10 Apr 2013 22:55:06 +0200
Subject: [PATCH] bugfix: check that we really have some value to convert in
 widgetToValue() - return empty array otherwise.

---
 .../metamodelsattribute_tags/MetaModelAttributeTags.php      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/system/modules/metamodelsattribute_tags/MetaModelAttributeTags.php b/src/system/modules/metamodelsattribute_tags/MetaModelAttributeTags.php
index 077dc2d..f719eb2 100644
--- a/src/system/modules/metamodelsattribute_tags/MetaModelAttributeTags.php
+++ b/src/system/modules/metamodelsattribute_tags/MetaModelAttributeTags.php
@@ -113,7 +113,10 @@ public function valueToWidget($varValue)
 	 */
 	public function widgetToValue($varValue, $intId)
 	{
-		if (!is_array($varValue)) return array();
+		if ((!is_array($varValue)) || empty($varValue))
+		{
+			return array();
+		}
 
 		$arrSearch = array();
 		$arrParams = array();