php单例模式实现方法分析_php技巧

<?php /** * @copyright 2013 maguowei.com * @author Ma Guowei  */ /** * 单例模式 * Class Single */ class Single { private $name; private static $single; private function __construct() { } public static function init() { if(empty(self::$single)) { self::$single = new Single(); } return self::$single; } public function getName() { return $this->name; } public function setName($name) { $this->name = $name; } } $s = Single::init(); $s->setName('hhhh'); echo '$s:'.$s->getName(); unset($s); $m = Single::init(); echo '$m:'.$m->getName();