<?php namespace Fig\Link; use Psr\Link\EvolvableLinkProviderInterface; use Psr\Link\LinkInterface; class GenericLinkProvider implements EvolvableLinkProviderInterface { use EvolvableLinkProviderTrait; /** * Constructs a new link provider. * * @param LinkInterface[] $links * Optionally, specify an initial set of links for this provider. * Note that the keys of the array will be ignored. */ public function __construct(array $links = []) { // This block will throw a type error if any item isn't a LinkInterface, by design. array_filter($links, fn(LinkInterface $item) => true); $hashes = array_map('spl_object_hash', $links); $this->links = array_combine($hashes, $links); } }