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<?php
/**
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
declare(strict_types=1);
namespace loophp\phptree\Modifier;
use loophp\phptree\Node\NodeInterface;
use loophp\phptree\Traverser\PostOrder;
use loophp\phptree\Traverser\TraverserInterface;
class Apply implements ModifierInterface
{
* @var callable
private $apply;
* @var TraverserInterface
private $traverser;
* Apply constructor.
public function __construct(callable $apply, ?TraverserInterface $traverser = null)
$this->apply = $apply;
$this->traverser = $traverser ?? new PostOrder();
}
public function modify(NodeInterface $tree): NodeInterface
foreach ($this->traverser->traverse($tree) as $item) {
($this->apply)($item);
return $tree;
loophp /
phptree
