设计模式之原型模式

<?php
/**
 * 原型设计模式创建对象的方式是复制克隆初始对象或原型
 *
 */


class Employer
{
    public $name;
    public $career;


    public function __construct($name, $carrer)
    {
        $this->name = $name;
        $this->career = $carrer;


    }


}


class SepecailEmployer extends Employer
{
    public function __clone()
    {
        $this->career = "civil service";
    }
}


$name = "tom"; $carrer = "software enginer";
$employer1 = new SepecailEmployer($name, $carrer);
//tom参加了公务员考试
$offer1 = clone $employer1;


var_dump($employer1, $offer1);