Piwik\Notification\Manager::getAllNotifications PHP Method

    private static function getAllNotifications()
    {
        if (!self::isSessionEnabled()) {
            return array();
        }
        $notifications = self::$notifications;
        foreach ($notifications as $id => $notification) {
            // we copy them over to the session if possible and persist it in case the session was not yet
            // writable / enabled at the time the notification was added.
            self::saveNotificationAcrossUiRequestsIfNeeded($id, $notification);
        }
        if (self::isSessionEnabled()) {
            $session = static::getSession();
            foreach ($session->notifications as $id => $notification) {
                $notifications[$id] = $notification;
            }
        }
        return $notifications;
    }