Phosphorum\Controllers\CategoriesController::reloadCategoriesAction PHP Method

    public function reloadCategoriesAction()
    {
        $this->view->setVar('categories', Categories::find(['order' => 'number_posts DESC, name']));
        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
        $this->view->getCache()->delete('sidebar');
    }