<?phpnamespace Fig\Link;use Psr\Link\EvolvableLinkInterface;class Link implements EvolvableLinkInterface{ use EvolvableLinkTrait; /** * Link constructor. * * @param string $rel * A single relationship to include on this link. * @param string $href * An href for this link. */ public function __construct($rel = '', $href = '') { if ($rel) { $this->rel[$rel] = true; } $this->href = $href; }}