Locator::search_elements_by_tag( string $name, string[] $done, array $feeds ): SimplePie\array<string,

236    protected function search_elements_by_tag(string $name, array &$done, array $feeds)237    {238        assert($this->registry !== null);239 240        if ($this->dom === null) {241            throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');242        }243 244        $links = $this->dom->getElementsByTagName($name);245        foreach ($links as $link) {246            if ($this->checked_feeds === $this->max_checked_feeds) {247                break;248            }249            if ($link->hasAttribute('href') && $link->hasAttribute('rel')) {250                $rel = array_unique($this->registry->call(Misc::class, 'space_separated_tokens', [strtolower($link->getAttribute('rel'))]));251                $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;252 253                if ($this->base_location < $line) {254                    $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]);255                } else {256                    $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]);257                }258                if ($href === false) {259                    continue;260                }261 262                if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call(Misc::class, 'parse_mime', [$link->getAttribute('type')])), ['text/html', 'application/rss+xml', 'application/atom+xml'])) && !isset($feeds[$href])) {263                    $this->checked_feeds++;264                    $headers = [265                        'Accept' => SimplePie::DEFAULT_HTTP_ACCEPT_HEADER,266                    ];267 268                    try {269                        $feed = $this->get_http_client()->request(Client::METHOD_GET, $href, $headers);270 271                        if ((!Misc::is_remote_uri($feed->get_final_requested_uri()) || ($feed->get_status_code() === 200 || $feed->get_status_code() > 206 && $feed->get_status_code() < 300)) && $this->is_feed($feed, true)) {272                            $feeds[$href] = $feed;273                        }274                    } catch (ClientException $th) {275                        // Just mark it as done and continue.276                    }277                }278                $done[] = $href;279            }280        }281 282        return $feeds;283    }