/**
  * Update a user
  */
 public function update()
 {
     if ($_SERVER['REQUEST_METHOD'] === 'GET' and isset($_GET['cod_rh']) and is_numeric($_GET['cod_rh'])) {
         $certificate = modelClass::certifyRh($_GET['cod_rh']);
         if (is_array($certificate)) {
             if (count($certificate) > 0) {
                 $data = modelClass::getRow($_GET['cod_rh']);
                 if (is_array($data)) {
                     if (count($data) > 0) {
                         $args['textId'] = $data[0]['cod_rh'];
                         $args['textDes'] = $data[0]['des_rh'];
                     }
                 } else {
                     $args['error'] = $data;
                     viewClass::renderHTML('error.php', $args);
                 }
             }
         } else {
             $args['error'] = $certificate;
             viewClass::renderHTML('error.php', $args);
         }
         $args['formAction'] = 'index.php?action=update&cod_rh=' . $_GET['cod_rh'];
         viewClass::renderHTML('update.php', $args);
     } else {
         if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $data['cod_rh'] = $_POST['textId'];
             $data['des_rh'] = $_POST['textDes'];
             $rsp = modelClass::updateRh($_GET['cod_rh'], $data);
             if ($rsp === true) {
                 $args['success'] = 'Los cambios fueron realizados exitosamente';
             } else {
                 $args['error'] = $rsp->getMessage();
             }
             $args['formAction'] = 'index.php?action=update&cod_rh=' . $_GET['cod_rh'];
             $args = array_merge($args, $_POST);
             viewClass::renderHTML('update.php', $args);
         } else {
             $this->index();
         }
     }
 }