if (isset($this->items[$component->GetName()])) {
return $this->items[$component->GetName()];
}
return null;
}
public function GetName() : string
{
return $this->name;
}
public function SetName(string $value)
{
$this->name = $value;
}
}
$product = new Composite("Product");
$a = new Composite("Part A");
$b = new Composite("Part B");
$c = new Composite("Part C");
$a->Add(new Single("Sub Part A-1"));
$a->Add(new Single("Sub Part A-2"));
$a->Add(new Single("Sub Part A-3"));
$a->Add(new Single("Sub Part A-4"));
$b->Add(new Single("Sub Part B-1"));
$b->Add(new Single("Sub Part B-2"));
$c->Add(new Single("Sub Part C-1"));
$c->Add(new Single("Sub Part C-2"));
$c->Add(new Single("Sub Part C-3"));
$product->Add($a);
$product->Add($b);
$product->Add($c);
echo $product->Display(0);
function run_component_proba()
{
// Create a tree structure
$root = new Composite("root");
$root->Add(new Leaf("Leaf A"));
$root->Add(new Leaf("Leaf B"));
$comp = new Composite("Composite X");
$comp->Add(new Leaf("Leaf XA"));
$comp->Add(new Leaf("Leaf XB"));
$root->Add($comp);
$root->Add(new Leaf("Leaf C"));
// Add and remove a leaf
$leaf = new Leaf("Leaf D");
$root->Add($leaf);
$root->Remove($leaf);
// Recursively display tree
$root->Display();
}
public function GetChildren()
{
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();
