public function testDecorator()
{
$expect = "<strong>I am component!</strong>";
$decorator = new ConcreteDecorator(new ConcreteComponent());
$result = $decorator->Operation();
$this->assertEquals($result, $expect);
}
}
class ConcreteComponent extends AbstractComponent
{
public function operation()
{
// ...
}
}
abstract class AbstractDecorator extends AbstractComponent
{
private $_component;
public function __construct(AbstractComponent $component)
{
$this->_component = $component;
}
public function operation()
{
$this->_component->operation();
}
}
class ConcreteDecorator extends AbstractDecorator
{
public function operation()
{
// ... расширенная функциональность ...
parent::operation();
// ... расширенная функциональность ...
}
}
$decoratedComponent = new ConcreteDecorator(new ConcreteComponent());
$decoratedComponent->operation();