public function submitFeedback()
 {
     $member_id = auth()->guard('member')->user()->member_id;
     $_POST['member_id'] = $member_id;
     $err = array();
     if ($_POST['_type'] == 3) {
         $model_feedback = model_feedback::find($_POST['feedback_id']);
         $model_feedback['feedback_status'] = 0;
         $ret = $model_feedback->save();
         echo $ret;
     } elseif ($_POST['_type'] == 1) {
         $model_feedback = new model_feedback();
         $model_feedback->fill($_POST);
         if ($model_feedback->save()) {
             $ret = array();
             $ret['feedback_id'] = $model_feedback->feedback_id;
             $ret['created_at'] = date_format(new DateTime($model_feedback->created_at), 'd-M-Y H:i:s');
             echo json_encode($ret);
         } else {
             $ret = 0;
         }
     }
 }
 public function index()
 {
     $model_feedback = model_feedback::where(array('feedback_status' => '1'))->orderBy('created_at', SORT_DESC)->get();
     return view('backend.feedback.index')->with(['model_feedback' => $model_feedback]);
 }