PHP User User::hasLoggedUser示例

 public function register()
 {
     if (!$this->path) {
         throw new \Exception(t('Page path not defined'));
     }
     // add menu item
     if ($this->menu && $this->isUserAllowed()) {
         $this->menu->path = $this->path;
         // set menu label same as page title
         if (!$this->menu->label) {
             $this->menu->label = $this->title;
         }
         Menu::get()->add($this->menu);
     }
     // add route callback
     $obj = $this;
     Route::get()->add($this->path, function () use($obj) {
         if (!$obj->isUserAllowed()) {
             if (!User::hasLoggedUser()) {
                 redirect(page_login());
             }
             echo new Page\AccessDenied();
         }
         echo $obj->render();
     });
 }