Automattic\WP\Cron_Control\Cron_Options_CPT::register_post_type PHP Метод

    public function register_post_type()
    {
        register_post_type(self::POST_TYPE, array('label' => 'Cron Events', 'public' => false, 'rewrite' => false, 'export' => false, 'exclude_from_search' => true));
        // Clear caches for any manually-inserted posts, lest stale caches be used
        if (!empty($this->posts_to_clean)) {
            foreach ($this->posts_to_clean as $index => $post_to_clean) {
                clean_post_cache($post_to_clean);
                unset($this->posts_to_clean[$index]);
            }
        }
    }