#hostingforum.kr
php

class Trader {

    public function __construct($name) {

        $this->name = $name;

    }



    public function getBidPrice() {

        return new TraderTypePrice('bid', 100.0);

    }



    public function getAskPrice() {

        return new TraderTypePrice('ask', 120.0);

    }

}



class TraderTypePrice {

    private $type;

    private $price;



    public function __construct($type, $price) {

        $this->type = $type;

        $this->price = $price;

    }



    public function getType() {

        return $this->type;

    }



    public function getPrice() {

        return $this->price;

    }

}



$trader = new Trader('John Doe');

$bidPrice = $trader->getBidPrice();

$askPrice = $trader->getAskPrice();



echo "트레이더 이름: " . $trader->name . "
";

echo "구매 가격: " . $bidPrice->getType() . " " . $bidPrice->getPrice() . "
";

echo "판매 가격: " . $askPrice->getType() . " " . $askPrice->getPrice() . "
";