From 102a790c44b1517bf112dc777f128b296681eda9 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Wed, 7 Apr 2021 09:55:11 +0200
Subject: [PATCH] fix und PHP 8 no longer supported curly braces for
 array/string indexes

---
 setup/inc/hook_config_validate.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup/inc/hook_config_validate.inc.php b/setup/inc/hook_config_validate.inc.php
index c79fa1b1d5..fc08c9f025 100644
--- a/setup/inc/hook_config_validate.inc.php
+++ b/setup/inc/hook_config_validate.inc.php
@@ -217,5 +217,5 @@ function ldap_search_filter(&$settings)
 {
 	$filter =& $settings['ldap_search_filter'];
 
-	if ($filter && $filter{0} != '(') $filter = '('.$filter.')';
+	if ($filter && $filter[0] != '(') $filter = '('.$filter.')';
 }