From fe9c7dd372fd4b9c29fbdb381f05fb2c5821e211 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Mon, 18 Oct 2021 15:41:22 +0200
Subject: [PATCH] Fix type error happens when trying to save an event.

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

diff --git a/calendar/inc/class.calendar_ui.inc.php b/calendar/inc/class.calendar_ui.inc.php
index d455e58bfa..d3b03e67b1 100644
--- a/calendar/inc/class.calendar_ui.inc.php
+++ b/calendar/inc/class.calendar_ui.inc.php
@@ -642,12 +642,12 @@ class calendar_ui
 	 *
 	 * @param int $event_id
 	 * @param Api\DateTime $recurrence_date
-	 * @param array $old_event
+	 * @param array|bool|int|null $old_event
 	 *
 	 * @return boolean True if the event was updated, false if it could not be
 	 *    updated or was removed.
 	 */
-	public function update_client($event_id, Api\DateTime $recurrence_date = null, array $old_event = array())
+	public function update_client($event_id, Api\DateTime $recurrence_date = null, $old_event = array())
 	{
 		if(!$event_id)
 		{