<?php
/**
     * @copyright 2013 maguowei.com
     * @author Ma Guowei <imaguowei@gmail.com>
     */
/**
     * 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();