From 417a3a81989fb07ea89209e4a7c4caf47afcd192 Mon Sep 17 00:00:00 2001
From: Art4 <art4@wlabs.de>
Date: Thu, 13 Mar 2025 09:49:18 +0000
Subject: [PATCH] Fix error in membersince addon

---
 membersince/membersince.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/membersince/membersince.php b/membersince/membersince.php
index 448b8cf2..df6388c6 100644
--- a/membersince/membersince.php
+++ b/membersince/membersince.php
@@ -17,7 +17,11 @@ function membersince_install()
 	Hook::register('profile_advanced', 'addon/membersince/membersince.php', 'membersince_display');
 }
 
-function membersince_display(array &$b)
+/**
+ * @param array|string|null $b
+ * @return void
+ */
+function membersince_display(&$b)
 {
 	$uid = DI::userSession()->getLocalUserId();
 
@@ -59,7 +63,7 @@ function membersince_display(array &$b)
 		$div->appendChild($entry);
 		$elm->parentNode->insertBefore($div, $elm->nextSibling);
 
-		$b = $doc->saveHTML();
+		$b = (string) $doc->saveHTML();
 	} else {
 		// Works in Vier.
 		$b = preg_replace('/<\/dl>/', "</dl>\n\n\n<dl id=\"aprofile-membersince\" class=\"aprofile\">\n<dt>" . DI::l10n()->t('Member since:') . "</dt>\n<dd>" . DateTimeFormat::local($user['register_date']) . "</dd>\n</dl>", $b, 1);