From 7e99fdd222b50a3e833ce9fed5173f9a58e44e9e Mon Sep 17 00:00:00 2001
From: Angie Byron <webchick@24967.no-reply.drupal.org>
Date: Mon, 13 Sep 2010 06:41:23 +0000
Subject: #734234 by quicksketch, moonray, Melissamcewen, ekes, flobruit: Fixed
 Radio buttons throw warning in element_children() if keyed with '' (empty
 string).

---
 includes/common.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'includes/common.inc')

diff --git a/includes/common.inc b/includes/common.inc
index dc4624d6c..71805afac 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -5548,7 +5548,7 @@ function element_children(&$elements, $sort = FALSE) {
   $children = array();
   $sortable = FALSE;
   foreach ($elements as $key => $value) {
-    if ($key[0] !== '#') {
+    if ($key === '' || $key[0] !== '#') {
       $children[$key] = $value;
       if (is_array($value) && isset($value['#weight'])) {
         $sortable = TRUE;
-- 
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