From 55d9f86b22a21353873c0d4a14bae4944df615b6 Mon Sep 17 00:00:00 2001
From: Klaus Leithoff <kl@stylite.de>
Date: Fri, 21 Jun 2013 09:58:55 +0000
Subject: [PATCH] silence php warning on copy event, when no alarm ios set

---
 calendar/inc/class.calendar_uiforms.inc.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/calendar/inc/class.calendar_uiforms.inc.php b/calendar/inc/class.calendar_uiforms.inc.php
index 244a37c708..24423b412e 100644
--- a/calendar/inc/class.calendar_uiforms.inc.php
+++ b/calendar/inc/class.calendar_uiforms.inc.php
@@ -506,10 +506,13 @@ class calendar_uiforms extends calendar_ui
 			}
 
 			// Copy alarms
-			foreach($event['alarm'] as $n => &$alarm)
+			if (is_array($event['alarm']))
 			{
-				unset($alarm['id']);
-				unset($alarm['cal_id']);
+				foreach($event['alarm'] as $n => &$alarm)
+				{
+					unset($alarm['id']);
+					unset($alarm['cal_id']);
+				}
 			}
 
 			// Get links to be copied