<?php

/**

 *

 * 产品本身

 */

class Product {

    private $_parts;

    public function __construct() { $this->_parts = array(); }

    public function add($part) { return array_push($this->_parts, $part); }

}

/**

 * 建造者抽象类

 *

 */

abstract class Builder {

    public abstract function buildPart1();

    public abstract function buildPart2();

    public abstract function getResult();

}

/**

 *

 * 具体建造者

 * 实现其具体方法

 */

class ConcreteBuilder extends Builder {

    private $_product;

    public function __construct() { $this->_product = new Product(); }

    public function buildPart1() { $this->_product->add("Part1"); }

    public function buildPart2() { $this->_product->add("Part2"); }

    public function getResult() { return $this->_product; }

}

 /**

  *

  *导演者

  */

class Director {

    public function __construct(Builder $builder) {

        $builder->buildPart1();//导演指挥具体建造者生产产品

        $builder->buildPart2();

    }

}

// client

$buidler = new ConcreteBuilder();

$director = new Director($buidler);

$product = $buidler->getResult();

echo "<pre>";

var_dump($product);

echo "</pre>";

/*输出： object(Product)#2 (1) {

["_parts":"Product":private]=>

array(2) {

    [0]=>string(5) "Part1"

    [1]=>string(5) "Part2"

}

} */

?>