From 5c6262b8ccecb892f28eff69d993e65b359d6e92 Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Mon, 23 Jun 2008 14:28:51 +0000
Subject: [PATCH] MDL-13229 - Cannot export group events - now make it export
 group events if 'all' is selected - Oops, allow for course without groups.

---
 calendar/export_execute.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/calendar/export_execute.php b/calendar/export_execute.php
index e2cd72c5b34..c9713c48d58 100644
--- a/calendar/export_execute.php
+++ b/calendar/export_execute.php
@@ -36,7 +36,9 @@ if(!empty($what) && !empty($time)) {
             $groups = array();
             foreach ($courses as $course) {
                 $course_groups = groups_get_all_groups($course->id, $user->id);
-                $groups = $groups + array_keys($course_groups);
+                if ($course_groups) {
+                    $groups = $groups + array_keys($course_groups);
+                }
             }
             $courses[SITEID] = new stdClass;
             $courses[SITEID]->shortname = get_string('globalevents', 'calendar');