diff --git a/calendar/inc/class.calendar_boupdate.inc.php b/calendar/inc/class.calendar_boupdate.inc.php index d561726dbd..2f1cdae6ac 100644 --- a/calendar/inc/class.calendar_boupdate.inc.php +++ b/calendar/inc/class.calendar_boupdate.inc.php @@ -1573,7 +1573,8 @@ class calendar_boupdate extends calendar_bo $event['created'] = $save_event['created'] = $this->now; $event['creator'] = $save_event['creator'] = $this->user; } - $set_recurrences = $old_event ? abs(Api\DateTime::to($event['recur_enddate'] ?? null, 'utc') - Api\DateTime::to($old_event['recur_enddate'] ?? null, 'utc')) > 1 || count($old_event['recur_exception']) != count($event['recur_exception']) : false; + $set_recurrences = $old_event ? abs(Api\DateTime::to($event['recur_enddate'] ?? null, 'utc') - Api\DateTime::to($old_event['recur_enddate'] ?? null, 'utc')) > 1 || + count($old_event['recur_exception'] ?? []) != count($event['recur_exception'] ?? []) : false; $set_recurrences_start = 0; if (($cal_id = $this->so->save($event,$set_recurrences,$set_recurrences_start,0,$event['etag'])) && $set_recurrences && $event['recur_type'] != MCAL_RECUR_NONE) {