$this->component = $component;
$this->addedState = "past the coffe shop ";
}
public function Operation() : string
{
return 'I am walking';
}
public function AddedBehaviour() : string
{
return 'and I bouth a capuccino ';
}
}
class Client
{
static function Display(string $s, IComponent $c)
{
echo $s, $c->Operation(), "\n";
}
}
$component = new Component();
$decoratorA = new DecoratorA($component);
$decoratorB = new DecoratorB($component);
Client::Display("1. Basic component : ", $component);
Client::Display("2. A-Decorated : ", $decoratorA);
Client::Display("3. B-Decorated : ", $decoratorB);
$decoratorB = new DecoratorB($decoratorA);
Client::Display("4. B-A-Decorated : ", $decoratorB);
$decoratorB = new DecoratorB($component);
$decoratorA = new DecoratorA($decoratorB);
Client::Display("4. A-B-Decorated : ", $decoratorA);
echo " ", $decoratorB->addedState, $decoratorB->AddedBehaviour();