public function _execute()
 {
     $this->checkValues();
     $routing = new PWEL_ROUTING();
     if (!isset($this->setRoutes['class'])) {
         $check = $routing->checkIncludeControllerClass(PWEL_ROUTING::$start_controller);
         $this->displayController(new $check());
         PWEL_ROUTING::$controllerNotFound = false;
         PWEL_ROUTING::$routed = true;
         return true;
     }
     if (empty(self::$variables) || empty(self::$variables['class'])) {
         $check = $routing->checkIncludeControllerClass(PWEL_ROUTING::$start_controller);
         if ($check) {
         } else {
             $check = $routing->checkIncludeControllerClass(PWEL_ROUTING::$error_controller);
             if (!$check) {
                 return;
             }
         }
         $this->displayController(new $check(), 'startController');
         PWEL_ROUTING::$controllerNotFound = false;
     } else {
         PWEL_ROUTING::$controllerNotFound = false;
         $check = $routing->checkIncludeControllerClass(self::$variables['class']);
         if ($check) {
         } else {
             $check = $routing->checkIncludeControllerClass(PWEL_ROUTING::$error_controller);
             PWEL_ROUTING::$controllerNotFound = true;
             if (!$check) {
                 return;
             }
         }
         $this->displayController(new $check());
     }
     // Routing executed
     PWEL_ROUTING::$routed = true;
 }