[PHP] Klassenvererbung

[omata]

Code:

class A {

  public function __construct() {
  }
  
  public function test() {
    return 'A test';
  }
  
}

class B extends A {

  public function __construct() {
    parent::__construct();
  }

}

class C extends B {

  public function __construct() {
    parent::__construct();
  }

  public function test() {
    return parent::test();
  }

}

$o = new C();
echo $o->test();

oder...

Code:

class A {

  public function __construct() {
  }
  
  public function test() {
    return 'A test';
  }
  
}

class B extends A {

  public function __construct() {
    parent::__construct();
  }

}

class C extends B {

  public function __construct() {
    parent::__construct();
  }

}

$o = new C();
echo $o->test();