site/wiki/index.php

<?php
if (!isset($_GET["page"]) || !file_exists("pages/{$_GET['page']}.md")) {

    $PageTitle = "Summit Wiki";
?>
    <?php require_once '/var/www/tilde/server/header1.php' ?>
    <?php require_once '/var/www/tilde/server/header2.php' ?>

    <p>If you want to contribute, check out the
        <a href="https://tildegit.org/pubnix/site/src/branch/master/wiki">source repo</a> and open a PR!
    </p>
    <hr />
    <div class="content">
    <h3>Uncategorized</h3>
    <ul>
    <?php
    foreach (array_reverse(glob("pages/*.md")) as $page) {
        $yaml = $parser->parse(file_get_contents($page))->getYAML();
        if (!$yaml["published"]) continue; ?>
        <li><a href="<?=basename($page, ".md")?>"><?=$yaml["title"]?></a></li>
    <?php } ?>
    </ul>
<?php } else {
    require_once '/var/www/tilde/server/header1.php';
    $pg = $parser->parse(file_get_contents("pages/{$_GET["page"]}.md"));
    $yml = $pg->getYAML();
    $PageTitle = $yml['title'];
    require_once '/var/www/tilde/server/header2.php';?>
    <a href="../">&lt; wiki</a>
        <?=$pg->getContent()?>
<?php }
require_once '/var/www/tilde/server/footer.php' ?>