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inheritance.php
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inheritance.php
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<?php
#6 Inheritance / Pewarisan
// Menciptakan hierarki antar kelas (Parent & Child)
// Child Class mewarisi semua properti dan method yang dimiliki oleh parent-nya (yang visible)
// Child Class mengembangkan (extends) fungsionalitas parent-nya
# Class Mobil
# Properti
// - Nama
// - Merk
// - Warna
// - kecepatanMaksimal
// - jumlahPenumpang
# Method
// - tambahKecepatan()
// - kurangiKecepatan()
// - gantiTransmisi()
// - belokKiri()
// - belokKanan()
# Class MobilSport yang mewarisi kelas Mobil
# Properti
// Turbo
# Method
// jalankanTurbo()
# Penggunaan Inheritance
class Produk {
public $judul,
$creator,
$penerbit,
$harga,
$jmlHalaman,
$waktuMain;
public function __construct($judul = "judul",
$creator = "creator", $penerbit = "penerbit", $harga = 0,
$jmlHalaman = 0, $waktuMain = 0)
{
$this->judul = $judul;
$this->creator = $creator;
$this->penerbit = $penerbit;
$this->harga = $harga;
$this->jmlHalaman = $jmlHalaman;
$this->waktuMain = $waktuMain;
}
public function getInfoProduk(){
// Komik : Naruto | Masashi Kishimoto, Shounen Jump (Rp. 30000) - 100 halaman.
$str = "{$this->judul} | {$this->getLabel()} (Rp. {$this->harga})";
return $str;
}
public function sayHello(){
return "Hello World!";
}
public function getLabel(){
return "$this->creator, $this->penerbit";
}
}
// membuat kelas Komik yang mewarisi kelas Produk
class Komik extends Produk
{
public function getInfoProduk()
{
$str = "Komik : {$this->judul} | {$this->getLabel()} (Rp. {$this->harga}) - {$this->jmlHalaman} Halaman.";
return $str;
}
}
// membuat kelas Game yang mewarisi kelas Produk
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", "Shounen Jump", 30000, 100);
$produk2 = new Game("Uncharted", "Neil Druckmann", "Sony Computer Entertainment", 250000,0, 50);
// Komik : Masashi Kishimoto, Shounen Jump
// Game : Neil Druckmann, Sony Computer Entertainment
// Naruto | Masashi Kishimoto, Shounen Jump (Rp. 30000)
// Komik : Naruto | Masashi Kishimoto, Shounen Jump (Rp. 30000) - 100 halaman.
// Game : Uncharted | Neil Druckmann, Sony Computer Entertainment (Rp. 250000) - 50 Jam;
echo $produk1->getInfoProduk();
echo "<br>";
echo $produk2->getInfoProduk();