Automattic\WP\Cron_Control\Events::run_event PHP Method

    public function run_event($timestamp, $action, $instance, $force = false)
    {
        // Validate input data
        if (empty($timestamp) || empty($action) || empty($instance)) {
            return new \WP_Error('missing-data', __('Invalid or incomplete request data.', 'automattic-cron-control'), array('status' => 400));
        }
        // Ensure we don't run jobs ahead of time
        if (!$force && $timestamp > time()) {
            return new \WP_Error('premature', sprintf(__('Job with identifier `%1$s` is not scheduled to run yet.', 'automattic-cron-control'), "{$timestamp}-{$action}-{$instance}"), array('status' => 403));
        }
        // Find the event to retrieve the full arguments
        $event = $this->get_event($timestamp, $action, $instance);
        // Nothing to do...
        if (!is_array($event)) {
            return new \WP_Error('no-event', sprintf(__('Job with identifier `%1$s` could not be found.', 'automattic-cron-control'), "{$timestamp}-{$action}-{$instance}"), array('status' => 404));
        }
        unset($timestamp, $action, $instance);
        // Limit how many events are processed concurrently, unless explicitly bypassed
        if (!$force) {
            // Prepare event-level lock
            $this->prime_event_action_lock($event);
            if (!$this->can_run_event($event)) {
                return new \WP_Error('no-free-threads', sprintf(__('No resources available to run the job with action action `%1$s` and arguments `%2$s`.', 'automattic-cron-control'), $event['action'], maybe_serialize($event['args'])), array('status' => 429));
            }
        }
        // Mark the event completed, and reschedule if desired
        // Core does this before running the job, so we respect that
        $this->update_event_record($event);
        // Run the event
        do_action_ref_array($event['action'], $event['args']);
        // Free process for the next event, unless it wasn't set to begin with
        if (!$force) {
            $this->do_lock_cleanup($event);
        }
        return array('success' => true, 'message' => sprintf(__('Job with action `%1$s` and arguments `%2$s` executed.', 'automattic-cron-control'), $event['action'], maybe_serialize($event['args'])));
    }