add a HTML-Sitemap with Bootstrap 3 Markup

[Gummibeer]

I added a $twig_var for a HTML-Sitemap with Bootstrap3 Markup und combined the other things from my last Issue #5

<?php

/**
 * Generate an xml sitemap for Pico
 *
 * @author Dave Kinsella
 * @link https://github.com/Techn0tic/Pico_Sitemap
 * @license http://opensource.org/licenses/MIT
 */
class Pico_Sitemap {
    private $is_sitemap;
    private $is_html_sitemap;
    private $exclude;
    private $pages;

    public function __construct() {
        $this->is_sitemap = false;
        $this->is_html_sitemap = false;
        $this->exclude = array('home', 'slider', 'suche', 'sitemap');
        $this->pages = array();
    }

    public function request_url(&$url) {
        if($url == 'sitemap') $this->is_html_sitemap = true;
        if($url == 'sitemap.xml') $this->is_sitemap = true;
    }

    public function get_pages($pages) {
        if($this->is_sitemap || $this->is_html_sitemap) {
            global $config;
            foreach($pages as $page) {
                preg_match('/\/('.implode('|', $this->exclude).')\//', $page['url'].'/', $matches);
                if(empty($matches)) {
                    $index = '';
                    $date = false;
                    $path = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR.'content'.DIRECTORY_SEPARATOR.str_ireplace($config['base_url'], '', $page['url']);
                    if(is_dir($path)) { $index = 'index'; }
                    $file = realpath($path.$index.'.md');
                    if(file_exists($file)) { $date = date ("Y-m-d", filemtime($file)); }
                    array_push($this->pages, array( 'url' => $page['url'], 'title' => $page['title'], 'lastmod' => $date, 'index' => $index == '' ? false : true ));
                }
            }
            sort($this->pages);
        }
    }

    public function before_render(&$twig_vars, &$twig, &$template) {
        if($this->is_sitemap) {
            header($_SERVER['SERVER_PROTOCOL'].' 200 OK');
            header('Content-Type: application/xml; charset=UTF-8');
            $xml = '<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
            foreach($this->pages as $page) {
                $xml .= '<url><loc>'.$page['url'].'</loc><lastmod>'.$page['lastmod'].'</lastmod></url>';
            }
            $xml .= '</urlset>';
            header('Content-Type: text/xml');
            die($xml);
        } elseif($this->is_html_sitemap) {
            $panel_raw = '<div class="col-md-4"><div class="panel panel-primary"><div class="panel-heading"><h3 class="panel-title"><a href="%url%">%title%</a></h3></div><div class="list-group">%childs%</div></div></div>';
            $child_raw = '<a href="%url%" class="list-group-item"><i class="icon-link"></i> %title%</a>';

            $panel = '';
            $childs = array();
            $out = '';
            $out .= '<div class="row">';
            foreach($this->pages as $page) {
                if($page['index']) {
                    $panel = str_replace('%childs%', implode('', $childs), $panel);
                    $out .= $panel;
                    $childs = array();
                    $panel = $panel_raw;
                    $panel = str_replace('%url%', $page['url'], $panel);
                    $panel = str_replace('%title%', $page['title'], $panel);
                } else {
                    $child = $child_raw;
                    $child = str_replace('%url%', $page['url'], $child);
                    $child = str_replace('%title%', $page['title'], $child);
                    array_push($childs, $child);
                }
            }
            $panel = str_replace('%childs%', implode('', $childs), $panel);
            $out .= $panel;
            $out .= '</div>';
            $twig_vars['sitemap'] = $out;
        }
    }
}

[Gummibeer]

My Gist: https://gist.github.com/Gummibeer/2735309d3012f911962e