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File: /www/wwwroot/www.scdc-marine.com/wp-content/themes/scdc-marine/HekuClass/View/Single.php
<?php

namespace Heku\HekuClass\View;

/**
 * @package     Heku\HekuClass\View
 * @subpackage  Classes/Single
 * @author      Heku Daleconan <http://www.daleconan.com>
 * @copyright   Copyright (c) 2022-2023, Heku Daleconan
 * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
 */

class Single {

	/** 
	 * 类实现单例模式,类的独生子女
	 */
	private static $instance;

	/**
	 * 依赖注入的接口 Instance 方法
	 * 目标是 保证 init() 初始化方法 只执行一次
	 *
	 * @return self  唯一实例化的本类
	 */
	public static function instance() {
		if ( ! isset( self::$instance ) ) {
			self::$instance = new self;
			self::$instance->init();
		}
		return self::$instance;
	}

	private function init() {

	}

}