code: static function addGlobal(array $controllers) {
          if (!is_array($controllers[0]))
              $controllers = [$controllers];
          foreach ($controllers as $controller) {
              [$name, $controller, $method] = $controller;
              if (isset(self::$globals[$name]))
                  Console::warning("Overwriting global controller \"$name\".");
              $controller = Server::$name.'\\Controller\\'.$controller;
              if (!class_exists($controller) || !is_subclass_of($controller, Controller::class)) {
                  Console::warning("Invalid controller \"$controller\".");
                  return;
              }
              if (!method_exists($controller, $method)) {
                  Console::warning("Invalid method \"$method\".");
                  return;
              }
              self::$globals[$name] = [$controller, $method];
          }
      }
docs: 添加全局控制器绑定
  
  @param array $controllers