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

    protected function class_init()
    {
        // Data storage
        add_action('init', array($this, 'register_post_type'));
        // Lock for post insertion, to guard against endless event creation when `wp_next_scheduled()` is misused
        Lock::prime_lock(self::LOCK);
        // Option interception
        add_filter('pre_option_cron', array($this, 'get_option'));
        add_filter('pre_update_option_cron', array($this, 'update_option'), 10, 2);
    }