public function post_edit($id)
 {
     $input = Input::get();
     $input['visible'] = Input::get('visible', 0);
     $rules = array('year_id' => 'required|unique:camp_settings,year_id,' . $id, 'places' => 'required|integer', 'theme' => 'required', 'details' => 'required');
     $validation = Validator::make($input, $rules);
     if ($validation->passes()) {
         CampSetting::find($id)->update($input);
         return Redirect::to('rms/camp/settings')->with('success', 'Successfully Edited a Camp');
     } else {
         return Redirect::to('rms/camp/settings/edit/' . $id)->withErrors($validation)->withInput();
     }
 }