From 5de311550051fd3db5be8195719828a1e0e267f2 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Sun, 14 Nov 2021 10:32:22 +0100
Subject: [PATCH] fix PHP 8.0 TypeError: count(): Argument #1 ($value) must be
 of type Countable|array, bool given

---
 calendar/inc/class.calendar_ui.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/calendar/inc/class.calendar_ui.inc.php b/calendar/inc/class.calendar_ui.inc.php
index d3b03e67b1..8ec58bd39e 100644
--- a/calendar/inc/class.calendar_ui.inc.php
+++ b/calendar/inc/class.calendar_ui.inc.php
@@ -678,7 +678,7 @@ class calendar_ui
 				'filter' => $this->cal_prefs['saved_states']['status_filter'],
 				'num_rows' => 1
 			);
-			$filter_match = count($this->bo->search($filter_check, $this->bo->so->cal_table.".cal_id = {$event['id']}")) > 0;
+			$filter_match = (bool)$this->bo->search($filter_check, $this->bo->so->cal_table.".cal_id = {$event['id']}");
 		}
 
 		if(!$event || !$filter_match)