<?php defined('ABSPATH') || exit; /** * Class kept only for cmpatibility with addons. */ class NewsletterUsers extends NewsletterModule { static $instance; /** * @return NewsletterUnsubscription */ static function instance() { if (self::$instance == null) { self::$instance = new self(); } return self::$instance; } function __construct() { parent::__construct('users'); } } NewsletterUsers::instance();