public function insertAction()
 {
     if (check_RequestMethod()) {
         $_POST['name_platform'] = trim($_POST['name_platform']);
         $_POST['UA_string'] = trim($_POST['UA_string']);
         if ($this->validateForm($_POST)) {
             $id_platform = platformModel::insertData(array('name_platform' => $_POST['name_platform'], 'UA_string' => $_POST['UA_string'], 'description_platform' => nl2br($_POST['description_platform'])));
             $uri_data = array('action' => 'edit', 'id_platform' => $id_platform);
         } else {
             platformModel::setSession('user_data', $_POST);
             $uri_data = array('action' => 'add');
         }
         if (!count(platformModel::$errors)) {
             platformModel::$messages[] = 'Success!';
         }
         platformModel::setSession(array('errors' => platformModel::$errors, 'messages' => platformModel::$messages));
         header("Location: " . $this->makeURI($uri_data));
         die;
     } else {
         _404();
     }
     return null;
 }