Avoid fatal errors with uselang=s

languages is not a subclass of Language

Force valid built-in language codes to be at least two letters long.

Bug: 46710
Change-Id: Ife8885ed4bdb3a017a54e063f5dc58468ba231d5

diff --git a/languages/Language.php b/languages/Language.php
index 57d456a..156f7b0 100644 (file)
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -357,7 +357,7 @@ class Language {
                        throw new MWException( __METHOD__ . " must be passed a string, $type given$addmsg" );
                }
 
-               return (bool)preg_match( '/^[a-z0-9-]+$/i', $code );
+               return (bool)preg_match( '/^[a-z0-9-]{2,}$/i', $code );
        }
 
        /**