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inheritance.php
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inheritance.php
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<?php
class Produk {
public $judul,
$penulis,
$penerbit,
$harga,
$jmlHalaman,
$waktuMain;
public function __construct($judul = "judul", $penulis = "penulis", $penerbit = "penerbit", $harga = 0,
$jmlHalaman = 0, $waktuMain = 0) {
$this->judul = $judul;
$this->penulis = $penulis;
$this->penerbit = $penerbit;
$this->harga = $harga;
$this->jmlHalaman = $jmlHalaman;
$this->waktuMain = $waktuMain;
}
public function getLabel() {
return "$this->penulis, $this->penerbit";
}
public function getInfoProduk() {
$str = "{$this->judul} | {$this->getLabel()} (Rp. {$this->harga})
";
return $str;
}
}
class Komik extends Produk {
public function getInfoProduk() {
$str = "Komik : {$this->judul} | {$this->getLabel()} (Rp. {$this->harga}) - {$this->jmlHalaman} Halaman.";
return $str;
}
}
class Game extends Produk {
public function getInfoProduk() {
$str = "Game : {$this->judul} | {$this->getLabel()} (Rp. {$this->harga}) ~ {$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, 0);
$produk2 = new Game("Uncharted", "Neil Druckmann", "Sony Computer", 250000, 0, 50);
echo $produk1->getInfoProduk();
echo "<br>";
echo $produk2->getInfoProduk();