public function editmaff()
 {
     $err = array();
     if ($_POST['_type'] == 3) {
         $model_member_affiliation = model_member_affiliation::find($_POST['maff_id']);
         $model_member_affiliation['maff_status'] = 0;
         $model_member_affiliation->save();
     } else {
         if ($_POST['_type'] == 1) {
             $model_member_affiliation = new model_member_affiliation();
             $model_member_affiliation->create($_POST);
         } else {
             if ($_POST['_type'] == 2) {
                 $model_member_affiliation = model_member_affiliation::find($_POST['maff_id']);
                 $model_member_affiliation->fill($_POST);
                 $model_member_affiliation->save();
             }
         }
     }
     return redirect('/backend/maff')->withErrors($err);
 }