WP_Background_Process::schedule_cron_healthcheck PHP Method

        public function schedule_cron_healthcheck($schedules)
        {
            $interval = apply_filters($this->identifier . '_cron_interval', 5);
            if (property_exists($this, 'cron_interval')) {
                $interval = apply_filters($this->identifier . '_cron_interval', $this->cron_interval_identifier);
            }
            // Adds every 5 minutes to the existing schedules.
            $schedules[$this->identifier . '_cron_interval'] = array('interval' => MINUTE_IN_SECONDS * $interval, 'display' => sprintf(__('Every %d Minutes'), $interval));
            return $schedules;
        }