X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=modules%2Fsurvey%2Fsurvey.inc.php;h=497a7f86db54ed9224e826136903659615b3e1b3;hb=905ab10422941d19d99b4957c009914a64d19399;hp=299b7fb0495e866cf2fcf6c0c8383899338429e4;hpb=245923e335d0da5bec9495991a7846be9f0563ab;p=platal.git

diff --git a/modules/survey/survey.inc.php b/modules/survey/survey.inc.php
index 299b7fb..497a7f8 100644
--- a/modules/survey/survey.inc.php
+++ b/modules/survey/survey.inc.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2010 Polytechnique.org                              *
+ *  Copyright (C) 2003-2011 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -439,7 +439,8 @@ class Survey
     public function vote($uid, $args)
     {
         XDB::execute('INSERT INTO  survey_votes
-                              SET  survey_id = {?}, uid = {?};', $this->id, $uid); // notes the user as having voted
+                              SET  survey_id = {?}, uid = {?}',
+                     $this->id, ($uid == 0) ? null : $uid); // notes the user as having voted
         $vid = XDB::insertId();
         for ($i = 0; $i < count($this->questions); $i++) {
             $ans = $this->questions[$i]->checkAnswer($args[$i]);