Possibility to modify the question -> NOT WORKING

Question.class.php

@@ -128,16 +128,41 @@ class Question
     return $this->course;
   }
 
+  public function setCourse($course)
+  {
+    $this->course = $course;
+  }
+
   public function getQuestion()
   {
     return $this->question;
   }
 
+  public setQuestion($question)
+  {
+    $this->question = $question;
+  }
+
   public function getAnswer()
   {
     return $this->answers;
   }
 
+  public function setAnswer($answers)
+  {
+    if (!empty($answers))
+    {
+      if (is_array($answers))
+      {
+        foreach ($answers as $ans)
+          $q->answers[] = $ans;
+      }
+      else
+        $q->answers[] = $answers;
+    }
+
+  }
+
   function mail_utf8($to, $subject = '(No subject)',
                      $message = '', $header = '')
   {