Match stop words case insensitively in MysqlSearchEngine

diff --git a/wcfsetup/install/files/lib/system/search/mysql/MysqlSearchEngine.class.php b/wcfsetup/install/files/lib/system/search/mysql/MysqlSearchEngine.class.php
index a4202569291c19ea1ade982ca2e076c579b841d6..02411e7e0dacba031efb50b6824beaedc2d2cb28 100644 (file)
--- a/wcfsetup/install/files/lib/system/search/mysql/MysqlSearchEngine.class.php
+++ b/wcfsetup/install/files/lib/system/search/mysql/MysqlSearchEngine.class.php
@@ -568,7 +568,7 @@ class MysqlSearchEngine extends AbstractSearchEngine
     private function isStopWord(string $word): bool
     {
         return \in_array(
-            $word,
+            \strtolower($word),
             [
                 'a',
                 'about',