From 6618e07462748b484d8d5a0ea3bece08a60f28e8 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Fri, 12 Feb 2010 12:25:49 +0000
Subject: - Patch #642820 by c960657: fixed PHP notices when submitting form
 with disabled checkbox.

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

(limited to 'includes')

diff --git a/includes/form.inc b/includes/form.inc
index 9875c1b0a..9b259c482 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -1625,7 +1625,7 @@ function form_type_checkbox_value($element, $input = FALSE) {
     else {
       // Disabled form controls are not submitted by the browser. Ignore any
       // submitted value and always return default.
-      return $element['#default_value'];
+      return isset($element['#default_value']) && $element['#default_value'] === $element['#return_value'] ? $element['#return_value'] : 0;
     }
   }
 }
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