php-oop/visibility.php at master · fairuzulum/php-oop · GitHub

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<?php


class Produk {

	public $judul,
			   $penulis,
				 $penerbit;

	protected $diskon = 0;

	private $harga;

	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0)
	{
		$this->judul = $judul;
		$this->penulis = $penulis;
		$this->penerbit = $penerbit;
		$this->harga = $harga;
	}


	public function getHarga(){
	 	return $this->harga - ($this->harga * $this->diskon / 100 );
	}

	public function getLabel()
	{
		return "$this->penulis, $this->penerbit";
	}

	public function getInfoProduk(){
		$str = "{$this->judul} | {$this->getLabel()} (Rp. {$this->harga})";
		return $str;
	}
}


class Komik extends Produk {
	public $jmlHalaman;

	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0, $jmlHalaman = 0){
		parent::__construct($judul,  $penulis, $penerbit, $harga);
		$this->jmlHalaman = $jmlHalaman;
	}

	public function setDiskon($diskon){
		$this->diskon = $diskon;
	}

	public function getInfoProduk(){
		$str = "Komik : " . parent::getInfoProduk() . " - {$this->jmlHalaman} Halaman.";
		return $str;
	}
}


class Game extends Produk {
	public $waktuMain;

	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0, $waktuMain = 0){
		parent::__construct($judul,  $penulis, $penerbit, $harga);
		$this->waktuMain = $waktuMain;
	}
	public function getInfoProduk()
	{
		$str = "Game : " . parent::getInfoProduk() . " ~ {$this->waktuMain} jam.";
		return $str;
	}
}


class CetakInfoProduk{
	public function cetak( Produk $produk ){
		$str = "{$produk->judul} | {$produk->getLabel()} (Rp. {$produk->harga})";
		return $str;
	}
}

$produk1 = new Komik("Naruto", "Masashi Kishimoto", "Shonen Jump", 30000, 100);
$produk2 = new Game("Uncharted", "Neil Druckmann", "Sony Computer", 100000, 50);

echo $produk1->getInfoProduk();
echo  "<br>";
echo $produk2->getInfoProduk();
echo "<hr>";

$produk1->setDiskon(10);
echo $produk1->getHarga();


  ?>