Habari\AtomHandler::add_pagination_links PHP Метод

    public function add_pagination_links($xml, $count)
    {
        // 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;
        $page = isset($rr_args['page']) ? $rr_args['page'] : 1;
        $firstpage = 1;
        $lastpage = ceil($count / Options::get('atom_entries'));
        if ($lastpage > 1) {
            $nextpage = intval($page) + 1;
            $prevpage = intval($page) - 1;
            $rr_args['page'] = $firstpage;
            $feed_link = $xml->addChild('link');
            $feed_link->addAttribute('rel', 'first');
            $feed_link->addAttribute('href', URL::get($rr_name, $rr_args));
            $feed_link->addAttribute('type', 'application/atom+xml');
            $feed_link->addAttribute('title', _t('First Page'));
            if ($prevpage > $firstpage) {
                $rr_args['page'] = $prevpage;
                $feed_link = $xml->addChild('link');
                $feed_link->addAttribute('rel', 'previous');
                $feed_link->addAttribute('href', URL::get($rr_name, $rr_args));
                $feed_link->addAttribute('type', 'application/atom+xml');
                $feed_link->addAttribute('title', _t('Previous Page'));
            }
            if ($nextpage <= $lastpage) {
                $rr_args['page'] = $nextpage;
                $feed_link = $xml->addChild('link');
                $feed_link->addAttribute('rel', 'next');
                $feed_link->addAttribute('href', URL::get($rr_name, $rr_args));
                $feed_link->addAttribute('type', 'application/atom+xml');
                $feed_link->addAttribute('title', _t('Next Page'));
            }
            $rr_args['page'] = $lastpage;
            $feed_link = $xml->addChild('link');
            $feed_link->addAttribute('rel', 'last');
            $feed_link->addAttribute('href', URL::get($rr_name, $rr_args));
            $feed_link->addAttribute('type', 'application/atom+xml');
            $feed_link->addAttribute('title', _t('Last Page'));
        }
        return $xml;
    }