From 26c7f601f3b531654bcb46ba96798352d1ba09ee Mon Sep 17 00:00:00 2001
From: Klaus Leithoff <kl@stylite.de>
Date: Tue, 13 Jul 2010 11:48:06 +0000
Subject: [PATCH] making sure / checking that alarmData is an array as
 expected.

---
 calendar/inc/class.calendar_sif.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/calendar/inc/class.calendar_sif.inc.php b/calendar/inc/class.calendar_sif.inc.php
index d00bcf1fe0..7c6b5d5f1a 100644
--- a/calendar/inc/class.calendar_sif.inc.php
+++ b/calendar/inc/class.calendar_sif.inc.php
@@ -578,7 +578,7 @@ class calendar_sif extends calendar_boupdate
 									break;
 								}
 							}
-							if (isset($alarmData)) $event['alarm'][] = $alarmData;
+							if (isset($alarmData)&&is_array($alarmData)) $event['alarm'][] = $alarmData;
 						}
 					}
 					break;