<?php namespace Fig\Link; use Psr\Link\LinkProviderInterface; use Psr\Link\LinkInterface; /** * Class LinkProviderTrait * * @implements LinkProviderInterface */ trait LinkProviderTrait { /** * An array of the links in this provider. * * The keys of the array MUST be the spl_object_hash() of the object being stored. * That helps to ensure uniqueness. * * @var LinkInterface[] */ private array $links = []; /** * {@inheritdoc} */ public function getLinks(): iterable { return $this->links; } /** * {@inheritdoc} */ public function getLinksByRel($rel): iterable { return array_filter($this->links, fn(LinkInterface $link) => in_array($rel, $link->getRels())); } }