From 0877d62c47096c72ebad1207adfd9c7a4d39d978 Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Fri, 10 Dec 2021 16:02:21 +0100
Subject: [PATCH] Make sure strtolower only receives a string to satisfy psalm

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 lib/private/AllConfig.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/AllConfig.php b/lib/private/AllConfig.php
index 45ed77e7888..4e7ec7554f7 100644
--- a/lib/private/AllConfig.php
+++ b/lib/private/AllConfig.php
@@ -261,7 +261,7 @@ class AllConfig implements \OCP\IConfig {
 		$this->fixDIInit();
 
 		if ($appName === 'core' && $key === 'email') {
-			$value = strtolower($value);
+			$value = strtolower((string) $value);
 		}
 
 		$prevValue = $this->getUserValue($userId, $appName, $key, null);
-- 
2.39.5