Elementor\Widgets_Manager::ajax_render_widget PHP Method

    public function ajax_render_widget()
    {
        if (empty($_POST['_nonce']) || !wp_verify_nonce($_POST['_nonce'], 'elementor-editing')) {
            wp_send_json_error(new \WP_Error('token_expired'));
        }
        if (empty($_POST['post_id'])) {
            wp_send_json_error(new \WP_Error('no_post_id', 'No post_id'));
        }
        if (!User::is_current_user_can_edit($_POST['post_id'])) {
            wp_send_json_error(new \WP_Error('no_access'));
        }
        // Override the global $post for the render
        $GLOBALS['post'] = get_post((int) $_POST['post_id']);
        $data = json_decode(stripslashes(html_entity_decode($_POST['data'])), true);
        // Start buffering
        ob_start();
        /** @var Widget_Base|Widget_WordPress $widget_type */
        $widget_type = $this->get_widget_types($data['widgetType']);
        $widget_class = $widget_type->get_class_name();
        /** @var Widget_Base $widget */
        $widget = new $widget_class($data, $widget_type->get_default_args());
        $widget->render_content();
        $render_html = ob_get_clean();
        wp_send_json_success(['render' => $render_html]);
    }