From feec8993373dc82c26b3c75a939aa67391625cbe Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Tue, 17 Oct 2017 16:12:26 +0200
Subject: [PATCH] fix (unexplained) infinit loop in phpUnit tests under PHP 5.6

---
 calendar/inc/class.calendar_so.inc.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/calendar/inc/class.calendar_so.inc.php b/calendar/inc/class.calendar_so.inc.php
index ede53fb0d4..dc6d090783 100644
--- a/calendar/inc/class.calendar_so.inc.php
+++ b/calendar/inc/class.calendar_so.inc.php
@@ -1369,11 +1369,11 @@ ORDER BY cal_user_type, cal_usre_id
 		}
 
 		// add colum prefix 'cal_' if there's not already a 'recur_' prefix
-		foreach($event as $col => $val)
+		foreach(array_keys($event) as $col)
 		{
 			if ($col[0] != '#' && substr($col,0,6) != 'recur_' && substr($col,0,6) != 'range_' && $col != 'alarm' && $col != 'tz_id' && $col != 'caldav_name')
 			{
-				$event['cal_'.$col] = $val;
+				$event['cal_'.$col] = $event[$col];
 				unset($event[$col]);
 			}
 		}