0, // i.e. there has been an update (set in notifier.php). $subscribers = dba::select('push_subscriber', ['id', 'callback_url'], ["`push` > 0 AND `next_try` < UTC_TIMESTAMP()"]); while ($subscriber = dba::fetch($subscribers)) { logger("Publish feed to " . $subscriber["callback_url"], LOGGER_DEBUG); Worker::add($priority, 'PubSubPublish', (int)$subscriber["id"]); } dba::close($subscribers); } }