Habari\AtomHandler::get_collection PHP Метод

    public function get_collection($params = array())
    {
        // Store handler vars since we'll be using them a lot.
        $handler_vars = Controller::get_handler_vars();
        // Retrieve the current matched rule and store its name and argument values.
        $rr = URL::get_matched_rule();
        $rr_name = $rr->name;
        $rr_args = $rr->named_arg_values;
        // Assign alternate links based on the matched rule.
        $alternate_rules = array('atom_feed_tag' => 'display_entries_by_tag', 'atom_feed' => 'display_home', 'atom_entry' => 'display_entry', 'atom_feed_entry_comments' => 'display_entry', 'atom_feed_page_comments' => 'display_entry', 'atom_feed_comments' => 'display_home');
        $alternate_rules = Plugins::filter('atom_get_collection_alternate_rules', $alternate_rules);
        $alternate = URL::get($alternate_rules[$rr_name], $handler_vars, false);
        // Assign self link based on the matched rule.
        $self = URL::get($rr_name, $rr_args, false);
        // Get posts to put in the feed
        $page = isset($rr_args['page']) ? $rr_args['page'] : 1;
        if ($page > 1) {
            $params['page'] = $page;
        }
        if (!isset($params['content_type'])) {
            $params['content_type'] = Post::type('entry');
        }
        $params['content_type'] = Plugins::filter('atom_get_collection_content_type', $params['content_type']);
        $params['status'] = $this->is_auth() ? 'any' : Post::status('published');
        $params['orderby'] = 'updated DESC';
        $params['limit'] = Options::get('atom_entries');
        $params = array_merge($params, $rr_args);
        if (array_key_exists('tag', $params)) {
            $id = urlencode($params['tag']);
            $tags = explode(' ', $params['tag']);
            foreach ($tags as $tag) {
                if ($tag[0] == '-') {
                    $tag = substr($tag, 1);
                    $params['vocabulary'][Tags::vocabulary()->name . ':not:term'][] = Utils::slugify($tag);
                } else {
                    $params['vocabulary'][Tags::vocabulary()->name . ':all:term'][] = Utils::slugify($tag);
                }
            }
            unset($params['tag']);
        } else {
            $id = 'atom';
        }
        $posts = Posts::get($params);
        if (count($posts)) {
            $updated = $posts[0]->updated;
        } else {
            $updated = null;
            header('HTTP/1.1 404 Not Found', true, 404);
            die('Posts could not be found');
        }
        $xml = $this->create_atom_wrapper($alternate, $self, $id, $updated);
        $xml = $this->add_pagination_links($xml, $posts->count_all());
        $xml = $this->add_posts($xml, $posts);
        Plugins::act('atom_get_collection', $xml, $params, $handler_vars);
        $xml = $xml->asXML();
        ob_clean();
        header('Content-Type: application/atom+xml');
        print $this->tidy_xml($xml);
    }