php單例模式實(shí)現(xiàn)方法分析

    本文實(shí)例講述了php單例模式實(shí)現(xiàn)方法。分享給大家供大家參考。具體如下：
    <?php
    /**
    * @copyright 2013 maguowei.com
    * @author Ma Guowei <>
    */
    /**
    * 單例模式
    * 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();
    希望本文所述對(duì)大家的php程序設(shè)計(jì)有所幫助。