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<?php
declare(strict_types=1);
namespace loophp\phptree\Node;
use loophp\phptree\Traverser\TraverserInterface;
/**
* Class AttributeNode.
*/
class AttributeNode extends NaryNode implements AttributeNodeInterface
{
* @var array
private $attributes = [];
* ValueNode constructor.
*
* @param array<int|string, mixed> $attributes
* @param int|null $capacity
* @param TraverserInterface|null $traverser
* @param NodeInterface|null $parent
public function __construct(
array $attributes = [],
?int $capacity = 0,
?TraverserInterface $traverser = null,
?NodeInterface $parent = null
) {
parent::__construct($capacity, $traverser, $parent);
$this->attributes = $attributes;
}
* {@inheritdoc}
public function getAttribute(string $key)
return $this->getAttributes()[$key] ?? null;
public function getAttributes(): array
return $this->attributes;
public function label(): string
return (string) $this->getAttribute('label');
public function setAttribute(string $key, $value): AttributeNodeInterface
$this->attributes[$key] = $value;
return $this;
public function setAttributes(array $attributes): AttributeNodeInterface
loophp /
phptree
