neckro/md.php

## md.php
<?php
        error_reporting(-1);
        $file = realpath(@$_GET['f']);
        $p = pathinfo($file);
        if (!$file || strtolower(@$p['extension']) !== 'md') {
                http_response_code(403);
                exit;
        }
        $cmd = sprintf(
                './peg-multimarkdown/multimarkdown %s --smart',
                escapeshellcmd($file)
        );

        $html = html_entity_decode(
                preg_replace(
                        [
                                '/&#8211;(\d)/', // wrong dash before number
                                '/&#8211;/',     // wrong em-dash
                        ],
                        [
                                '&#8209;\1',     // non-breaking hyphen
                                '&mdash;'        // proper em-dash
                        ],
                        shell_exec($cmd)
                ),
                ENT_HTML5,
                'UTF-8'
        );

        // set the title to the contents of the first header tag
        if (preg_match('/<(h[1-4][^>]*>)(.*)<\//U', $html, $matches)) {
                // strip extraneous HTML tags
                $title = preg_replace('/<.*>/U', '', $matches[2]);
        } else {
                $title = str_replace('_', ' ', $p['filename']);
        }
        header("Content-Type: text/html");
?><!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<link href="/cgi/static/markdown.css" rel="stylesheet" />
<title><?= $title ?></title>
</head>

<body>

<?= $html ?>
<?php /* <a href="?orig" style="display: block; position: absolute; right: 0; margin-top: 1em; padding: .2em; line-height: 0.8em; background-color: #ddd; font-size: .8em; font-family: monospace;"><?= "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}" ?></a> */?>
</body>
</html>
	<?php
	error_reporting(-1);
	$file = realpath(@$_GET['f']);
	$p = pathinfo($file);
	if (!$file \|\| strtolower(@$p['extension']) !== 'md') {
	http_response_code(403);
	exit;
	}
	$cmd = sprintf(
	'./peg-multimarkdown/multimarkdown %s --smart',
	escapeshellcmd($file)
	);

	$html = html_entity_decode(
	preg_replace(
	[
	'/–(\d)/', // wrong dash before number
	'/–/', // wrong em-dash
	],
	[
	'‑\1', // non-breaking hyphen
	'—' // proper em-dash
	],
	shell_exec($cmd)
	),
	ENT_HTML5,
	'UTF-8'
	);

	// set the title to the contents of the first header tag
	if (preg_match('/<(h[1-4][^>]>)(.)<\//U', $html, $matches)) {
	// strip extraneous HTML tags
	$title = preg_replace('/<.*>/U', '', $matches[2]);
	} else {
	$title = str_replace('_', ' ', $p['filename']);
	}
	header("Content-Type: text/html");
	?><!DOCTYPE html>
	<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
	<link href="/cgi/static/markdown.css" rel="stylesheet" />
	<title><?= $title ?></title>
	</head>

	<body>

	<?= $html ?>
	<?php /* <a href="?orig" style="display: block; position: absolute; right: 0; margin-top: 1em; padding: .2em; line-height: 0.8em; background-color: #ddd; font-size: .8em; font-family: monospace;"><?= "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}" ?></a> */?>
	</body>
	</html>