From e90a1813aea09001c84fd145869d912b2f6ed7a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=A9munaire?= <nemunaire@pomail.fr>
Date: Wed, 23 May 2012 17:46:34 +0200
Subject: [PATCH] Question getter now return null if the question isn't found

---
 QuestionsFile.class.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/QuestionsFile.class.php b/QuestionsFile.class.php
index f4228f3..904dffc 100644
--- a/QuestionsFile.class.php
+++ b/QuestionsFile.class.php
@@ -52,7 +52,11 @@ class QuestionsFile
    */
   public function get_question($id)
   {
-    return new Question($this->treeXML->getElementById($id));
+    $q = $this->treeXML->getElementById($id);
+    if (isset($q))
+      return new Question($q);
+    else
+      return NULL;
   }
 
   /**