/**
 * 产品类，定义产品各部件
 * Class Product
 */
class Product
{
    /**
     * 名称
     */
    public $name;
    /**
     * 尺寸
     */
    public $size;
    /**
     * 颜色
     */
    public $colour;

    /**
     * 产品展示
     */
    public function show()
    {
        echo "产品名称：{$this->name}<br/>产品尺寸：{$this->size}<br/>产品颜色：{$this->colour}";
    }
}


/**
 * 抽象建造者类，定义产品各部件的抽象方法
 */
abstract class Builder
{
    public $product;

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

    abstract public function name();

    abstract public function size();

    abstract public function colour();

    abstract public function getProduct();
}


/**
 * 具体建造者类A
 * Class ConcreteBuilderA
 */
class ConcreteBuilderA extends Builder
{
    public function name()
    {
        // TODO: Implement name() method.
        $this->product->name = '产品A';
    }


    public function size()
    {
        // TODO: Implement size() method.
        $this->product->size = '20';
    }


    public function colour()
    {
        // TODO: Implement colour() method.
        $this->product->colour = '白色';
    }


    public function getProduct()
    {
        // TODO: Implement getProduct() method.
        return $this->product;
    }

}


/**
 * 具体建造者类B
 * Class ConcreteBuilderB
 */
class ConcreteBuilderB extends Builder
{
    public function name()
    {
        // TODO: Implement name() method.
        $this->product->name = '产品B';
    }


    public function size()
    {
        // TODO: Implement size() method.
        $this->product->size = '30';
    }


    public function colour()
    {
        // TODO: Implement colour() method.
        $this->product->colour = '黑色';
    }


    public function getProduct()
    {
        // TODO: Implement getProduct() method.
        return $this->product;
    }

}


/**
 * 指挥者
 * Class Director
 */
class Director
{
    /**
     * 指挥构造过程
     * @param Builder $builder
     */
    public function construct(Builder $builder)
    {
        $builder->name();
        $builder->size();
        $builder->colour();
        return $builder->getProduct();
    }
}


// 客户端调用
// 指挥者
$director = new Director();
// 产品A建造
$productA = new ConcreteBuilderA();
$directorA = $director->construct($productA);
$directorA->show();

echo "<br/>--------------------------------<br/>";

// 产品B建造
$productB = new ConcreteBuilderB();
$directorB = $director->construct($productB);
$directorB->show();


// 结果
产品名称：产品A
产品尺寸：20
产品颜色：白色
--------------------------------
产品名称：产品B
产品尺寸：30
产品颜色：黑色