public static function instance() { if (null == self::$instance) { self::$instance = new self(); } return self::$instance; }
<?php /** * Plugin Name: Woo EDD Email Domain Blacklist * Plugin URI: http://kowsarhossain.com/ * Description: A lightweight plugin to block any email domain from WooCommerce and Easy Digital Download checkout page * Version: 2.0.0 * Author: Md. Kowsar Hossain * Author URI: http://kowsarhossain.com * Text Domain: woo-email-domain-blacklist * License: GNU General Public License v3.0 * License URI: http://www.gnu.org/licenses/gpl-3.0.html * */ if (!defined('WPINC')) { die; } define('WEDBFOA_BASENAME', plugin_basename(__FILE__)); if (is_admin()) { require_once dirname(__FILE__) . '/admin/class.settings-api.php'; require_once dirname(__FILE__) . '/admin/email-blacklist-admin.php'; FOA_Email_Domain_Blacklist_Admin::instance(); } require_once dirname(__FILE__) . '/public/email-blacklist.php'; FOA_Email_Domain_Blacklist::instance(); register_activation_hook(__FILE__, array('FOA_Email_Domain_Blacklist', 'activate')); register_deactivation_hook(__FILE__, array('FOA_Email_Domain_Blacklist', 'deactivate'));