//$portion_status = $portion['portion_status'];
         $result = array('success' => true, 'portion_status' => $portion['portion_status'], 'x' => $portion['X'], 'y' => $portion['Y']);
     } else {
         $result = array('success' => false, 'error' => 'portion_id is null');
     }
     echo json_encode($result);
     die;
 } else {
     if ($action == 'update_portion_status') {
         header("Content-Type: application/json");
         $portion_id = isset($_POST['portion_id']) ? (int) $_POST['portion_id'] : null;
         $portion_status = isset($_POST['portion_status']) ? (int) $_POST['portion_status'] : null;
         $X = isset($_POST['x']) ? (int) $_POST['x'] : 0;
         $Y = isset($_POST['y']) ? (int) $_POST['y'] : 0;
         if ($portion_id && $portion_status) {
             $question_model->update_portion(null, null, $portion_status, $X, $Y, $portion_id);
             $result = array('success' => true);
         } else {
             $result = array('success' => false, 'error' => 'portion_id is null');
         }
         echo json_encode($result);
         die;
     } else {
         if ($action == 'delete_portion') {
             header("Content-Type: application/json");
             $portion_id = isset($_POST['portion_id']) ? (int) $_POST['portion_id'] : null;
             if ($portion_id) {
                 $question_model->delete_portion($portion_id);
                 $result = array('success' => true);
             } else {
                 $result = array('success' => false, 'error' => 'portion_id is null');