From f7443920c87e0c6771899378a7ee9da6ca28555e Mon Sep 17 00:00:00 2001
From: pichetp <pichetp>
Date: Thu, 14 Aug 2008 09:39:22 +0000
Subject: [PATCH] better validation of null answers MDL-8475

---
 question/type/numerical/edit_numerical_form.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/question/type/numerical/edit_numerical_form.php b/question/type/numerical/edit_numerical_form.php
index dc61ee19e8..62b7923ac9 100644
--- a/question/type/numerical/edit_numerical_form.php
+++ b/question/type/numerical/edit_numerical_form.php
@@ -124,6 +124,14 @@ class question_edit_numerical_form extends question_edit_form {
                 if ($data['fraction'][$key] == 1) {
                     $maxgrade = true;
                 }
+            } else {
+                if ($data['fraction'][$key] !=0 || trim($data['feedback'][$key]) != ''){                
+                    $errors["answer[$key]"] = get_string('answermustbenumberorstar', 'qtype_numerical');
+                    $answercount++;
+                    if (trim($data['feedback'][$key]) != ''){
+                        $errors["feedback[$key]"]=get_string('feedback','quiz').'='.htmlspecialchars(trim($data['feedback'][$key]));
+                    }
+                }
             }
         }
         if ($answercount==0){
-- 
2.39.5