public static function ajaxLoadCopyQuestion($data)
 {
     if (!current_user_can('wpProQuiz_edit_quiz')) {
         echo json_encode(array());
         exit;
     }
     $quizId = $data['quizId'];
     $quizMapper = new WpProQuiz_Model_QuizMapper();
     $questionMapper = new WpProQuiz_Model_QuestionMapper();
     $data = array();
     $quiz = $quizMapper->fetchAll();
     foreach ($quiz as $qz) {
         if ($qz->getId() == $quizId) {
             continue;
         }
         $question = $questionMapper->fetchAll($qz->getId());
         $questionArray = array();
         foreach ($question as $qu) {
             $questionArray[] = array('name' => $qu->getTitle(), 'id' => $qu->getId());
         }
         $data[] = array('name' => $qz->getName(), 'id' => $qz->getId(), 'question' => $questionArray);
     }
     return json_encode($data);
 }