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August 29, 2015 13:56
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Scope varaible + méthode
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<?php | |
class User { | |
private $password; | |
public function __construct($password) | |
{ | |
$this->password = $password; | |
} | |
public function getPassword() | |
{ | |
return $this->password; | |
} | |
public function syncPassword(User $user) | |
{ | |
$user->password = $this->password; | |
} | |
} | |
class Admin extends User {} | |
$user = new User('user-pass'); | |
$admin = new Admin('admin-pass'); | |
$admin->syncPassword($user); | |
echo $user->getPassword(); // 'admin-pass' |
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ré-implémenter syncPassword() dans la classe Admin générera l'erreur espérée lié à la visibilité.
Le contexte est défini à partir de la classe ou la méthode est déclarée, mais l'objet héritant est quand meme en mesure de modifier une propriété privée d'une instance de classe inclue dans son héritage.