From 7878f3cba0781269c0aa86cb68de3d883d25a16d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20FRANCE?=
 <frederic34@users.noreply.github.com>
Date: Thu, 18 Mar 2021 08:08:37 +0100
Subject: [PATCH] fix php8 warning

---
 htdocs/admin/system/dolibarr.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/admin/system/dolibarr.php b/htdocs/admin/system/dolibarr.php
index 92b60cce4e2..cfdc196d79d 100644
--- a/htdocs/admin/system/dolibarr.php
+++ b/htdocs/admin/system/dolibarr.php
@@ -442,7 +442,7 @@ foreach ($configfileparameters as $key => $value) {
 					print img_warning($langs->trans('SwitchThisForABetterSecurity', 0));
 				}
 			} else {
-				print ${$newkey};
+				print (empty(${$newkey}) ? '' : ${$newkey});
 			}
 			if ($newkey == 'dolibarr_main_url_root' && ${$newkey} != DOL_MAIN_URL_ROOT) {
 				print ' (currently overwritten by autodetected value: '.DOL_MAIN_URL_ROOT.')';