Explicitly `return null` in SessionHandler::__get()'s default case

diff --git a/wcfsetup/install/files/lib/system/session/SessionHandler.class.php b/wcfsetup/install/files/lib/system/session/SessionHandler.class.php
index f3a7eb8858eedf51aa4a640bc5e25d5f12ea2df4..e2c4521e231b561201f7aa5f979f0f24cddaa3f8 100644 (file)
--- a/wcfsetup/install/files/lib/system/session/SessionHandler.class.php
+++ b/wcfsetup/install/files/lib/system/session/SessionHandler.class.php
@@ -184,7 +184,7 @@ final class SessionHandler extends SingletonFactory
                 return TIME_NOW;
 
             default:
-                return;
+                return null;
         }
     }