<?php

// 設計模式之工廠模式

class Factory
{
  static public function fac ($id)
  {
    switch ($id) {
      case 1:
        return new A();
      case 2:
        return new B();
      case 3:
        return new C();
      default:
        return new D();
    }
  }
}

  /**
   * 創建一個接口
   */
  interFace FetchName
  {
    
 
public function getname();
  }

  class A implements FetchName
  {
    private $name = "A";
    public function getname ()
    {
      return $this->name;
    }
  }

  class B implements FetchName
  {
    private $name = "B";
    public function getname ()
    {
      return $this->name;
    }
  }

  
 
class C implements FetchName
  {
    private $name = "C";
    public function getname ()
    {
      return $this->name;
    }
  }

  class D implements FetchName
  {
    private $name = "D";
    public function getname ()
    {
      return $this->name;
    }
  }


$obj = Factory::fac(5);
echo
 
 $obj->getname();

PHP設計模式之工廠模式