{
return $this->_children;
}
}
class Leaf extends Component
{
public function Add(Component $Component)
{
throw new ComponentException("I can't append child to myself");
}
public function GetChild($index)
{
throw new ComponentException("Child not exists");
}
public function Operation()
{
print "I am leaf\n";
}
public function Remove($index)
{
throw new ComponentException("Child not exists");
}
public function GetChildren()
{
return array();
}
}
$composite = new Composite();
$composite->Add(new Leaf());
$composite->Operation();
