From d9a42550ff5653082c9d06aa9a48963599688bf4 Mon Sep 17 00:00:00 2001
From: Diogo Cordeiro <diogo@fc.up.pt>
Date: Tue, 14 May 2019 15:51:42 +0100
Subject: [PATCH] is_rtl should handle lang instead of code

---
 lib/language.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/language.php b/lib/language.php
index 8ed4021401..f0144b4106 100644
--- a/lib/language.php
+++ b/lib/language.php
@@ -294,11 +294,13 @@ function get_nice_language_list()
  * @return boolean true if language is rtl
  */
 
-function is_rtl($lang)
+function is_rtl($lang_value)
 {
-    $all_languages = common_config('site', 'languages');
-    $lang = $all_languages[$lang];
-    return ($lang['direction'] == 'rtl');
+        foreach (common_config('site', 'languages') as $code => $info) {
+                if ($lang_value == $info['lang']) {
+                        return $info['direction'] == 'rtl';
+                }
+        }
 }
 
 /**