PHP 데코레이터 패턴 !!!!

* 객체를 동적으로 얻어, 추가 요소를 더한다.!! - 객체를 감싸고, 감싼 객체들을 행동을 계속해서 실행한다.

class absABC {
	protected $abc = "";

	public function getAbc() {
		return $this->abc;
	}
}


class aObject extends  absABC {

	public function __construct() {
		$this->abc = " a ";
	}
}

class bObject extends  absABC {

	public function __construct() {
		$this->abc = " b ";
	}
}

class absd extends absAbc
{
	protected $_abc;

	public function __construct( $abc ) {
		$this->_abc = $abc;
	}

	public function getAbc() {}
}


class dObject extends absd
{
	public function getAbc() {
		echo "[...d...]";
		return $this->_abc->getAbc() . ", d ";
	}
}

class eObject extends absd
{
	public function getAbc() {
		echo "[...e...]";
		return $this->_abc->getAbc() . ", e ";
	}
}

class fObject extends absd
{
	public function getAbc() {
		echo "[...f...]";
		return $this->_abc->getAbc() . ", f ";
	}
}


$a  = new aObject();
$d  = new dObject($a);
$e  = new eObject($d);
$f  = new fObject($e);

$f->getAbc();
echo "";
print_r($f);
echo "";
exit;
echo "

";

$b  = new bObject();
$d  = new dObject($b);
$e  = new eObject($d);
$f  = new fObject($e);

echo $f->getAbc();