From f14c6bb54e5123eed22fce952e7944771d38d9e4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Niklas=20Laxstr=C3=B6m?= <niklas.laxstrom@gmail.com>
Date: Mon, 2 Jul 2018 11:30:52 +0200
Subject: [PATCH] Prevent fatal error when {{#translation:}} is placed on
 subpage named code

Bug: T198518
Change-Id: Ia202e78adc53a54f95597b8701304c7f3832bf9c
---
 languages/Language.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/languages/Language.php b/languages/Language.php
index 1623c36129..28469efec1 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -220,7 +220,8 @@ class Language {
 
 		// Check if there is a language class for the code
 		$class = self::classFromCode( $code, $fallback );
-		if ( class_exists( $class ) ) {
+		// LanguageCode does not inherit Language
+		if ( class_exists( $class ) && is_a( $class, 'Language', true ) ) {
 			$lang = new $class;
 			return $lang;
 		}
-- 
2.20.1