Added parameter documentation

diff --git a/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php b/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
index b17197a0b61971368efdd41f8d8a5daa223743d8..a4751c43e67c940571d043bbe14e3b6e10b0a21b 100644 (file)
--- a/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
+++ b/wcfsetup/install/files/lib/system/user/notification/UserNotificationHandler.class.php
@@ -1077,6 +1077,11 @@ class UserNotificationHandler extends SingletonFactory
         return [];
     }
 
+    /**
+     * @param int[] $userIDs
+     * @return int[]
+     * @since 5.5
+     */
     public function filterUsersByContentLanguage(array $userIDs, int $contentLanguageID): array
     {
         $conditions = new PreparedStatementConditionBuilder();