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

    private function unschedule_job($new_value, $old_value)
    {
        $jobs = $this->find_unscheduled_jobs($new_value, $old_value);
        foreach ($jobs as $job) {
            $this->mark_job_completed($job['timestamp'], $job['action'], $job['instance']);
        }
    }