دیزاین پترن Builder

				
					// کلاس Product
class Product {
    private $part1;
    private $part2;

    public function setPart1($part1) {
        $this->part1 = $part1;
    }

    public function setPart2($part2) {
        $this->part2 = $part2;
    }

    public function show() {
        echo "Part 1: " . $this->part1 . "<br>";
        echo "Part 2: " . $this->part2 . "<br>";
    }
}

// کلاس Builder
class ProductBuilder {
    private $product;

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

    public function buildPart1($part1) {
        $this->product->setPart1($part1);
    }

    public function buildPart2($part2) {
        $this->product->setPart2($part2);
    }

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

// استفاده از الگوی Builder
$builder = new ProductBuilder();
$builder->buildPart1("Part 1 Data");
$builder->buildPart2("Part 2 Data");

$product = $builder->getResult();
$product->show();