MyNoVi/index.php

<?php
require 'vendor/autoload.php';
require 'apps/apps.php';

$dir  = $_GET['dir'] ?? '';
$file = $_GET['file'] ?? '';

if (!empty($dir)) {
    $dir = filter_input(INPUT_GET, 'dir', FILTER_SANITIZE_STRING);
}

if (isset($file)) {
    $file = filter_input(INPUT_GET, 'file', FILTER_SANITIZE_STRING);
}

if (empty($file) || !file_exists('content/' . urldecode($dir) . '/' . urldecode($file) . '.md')) {
    $dir = '';
    if (file_exists('content/index.md')) {
        $file = 'index';
    } else {
        $file = 'default';

    }
}

$content = file_get_contents('content/' . urldecode($dir) . '/' . urldecode($file) . '.md');
$options = array('selectors' => array('h2', 'h3'));

$Parsedown = new ExtendParsedownToc($options);

$body = $Parsedown->text($content);
$toc  = $Parsedown->contentsList();

$body = str_replace("[ ]", '<input type="checkbox" disabled>', $body);
$body = str_replace("[x]", '<input type="checkbox" checked disabled>', $body);
$body = str_replace("</h2>", ' <a href="#" class="backTop">⬆️</a></h2>', $body);
$body = str_replace("</h3>", ' <a href="#" class="backTop">⬆️</a></h3>', $body);

require 'tpl/header.html';
require 'tpl/aside.html';
require 'tpl/main.html';
require 'tpl/footer.html';