관리-도구
편집 파일: Singleton.php
<?php /** * * @copyright Copyright 2003-2020 Zen Cart Development Team * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0 * @version $Id: Zcwilt 2020 May 23 New in v1.5.7 $ */ namespace Zencart\Traits; trait Singleton { private static $instances = array(); protected function __construct() {} protected function __clone() {} public function __wakeup() { throw new Exception("Cannot unserialize singleton"); } public static function getInstance() { $cls = get_called_class(); // late-static-bound class name if (!isset(self::$instances[$cls])) { self::$instances[$cls] = new static; } return self::$instances[$cls]; } }