Flersidede innlegg i WordPress

Kildekoden

function get_post_page_list($title = false) {
    global $numpages, $pages, $page;
    if ($numpages > 1) {
        // Strip excerpt, if existant
        $pages[0] = preg_replace(',.*\s*<!--more-->\s*,is', '', $pages[0]);

        $ret = '<div class="pages">';
        if (false !== $title) {
            $ret .= '<div>' . __($title) . '</div>';
        }
        $ret .= '<ol>';

        foreach ($pages as $k => $v) {
            // Set page number
            $p = $k+1;

            // Match first line in page
            preg_match(',<h[1-6]{1}>([^\r\n]+)</h[1-6]{1}>[\r\n]*,', $v, $title);

            // Strip tags from page title
            $title = strip_tags($title[1]);

            // Set standard page title if not matched
            if (empty($title)) {
                $title = __('Page') . ' ' . $p;
            }   

            // Get permalink for post
            $perma = get_permalink();

            // Add class "current" to current page
            if ($page == $p) {
                $ret .= '<li class="current">';
            }
            else {
                $ret .= '<li>';
            }   

            if (1 == $p) {
                $ret .= "<a href=\"{$perma}\">{$title}</a></li>";
            }
            else {
                $ret .= "<a href=\"{$perma}/{$p}\">{$title}</a></li>";
            }
        }
        $ret .= '</ol></div>';
        return $ret;
    }
    return '';
}