From 3a84ed2a90ab56b2563dd09f157131e45a0fe32f Mon Sep 17 00:00:00 2001
From: Gerhard Killesreiter <killes_www_drop_org@227.no-reply.drupal.org>
Date: Sun, 2 Apr 2006 13:07:00 +0000
Subject: [PATCH] #56921, break up references in _validate, patch by chx
---
includes/form.inc | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/includes/form.inc b/includes/form.inc
index 91698e473d91..e112773914c5 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -157,6 +157,15 @@ function drupal_get_form($form_id, &$form, $callback = NULL) {
function drupal_validate_form($form_id, &$form, $callback = NULL) {
global $form_values;
+ // we need a copy of form_values otherwise foreach falls into an infite loop
+ $copy = (array)$form_values;
+ // this loop breaks the references in form_values thus makes it impossible for
+ // validate functions to modify the $form_values array
+ foreach ($copy as $k => $v) {
+ unset($form_values[$k]);
+ $form_values[$k] = $v;
+ }
+
if (isset($form['#token'])) {
if ($form_values['form_token'] != md5(session_id() . $form['#token'] . variable_get('drupal_private_key', ''))) {
// setting this error will cause the form to fail validation
--
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