<?php if(! function_exists('load_doc_file')) { function load_doc_file($s) { global $lang; if(! isset($lang)) $lang = 'en'; $b = basename($s); $d = dirname($s); if(file_exists("$d/$lang/$b")) return file_get_contents("$d/$lang/$b"); if(file_exists($s)) return file_get_contents($s); return ''; }} function help_content(&$a) { nav_set_selected('help'); global $lang; require_once('library/markdown.php'); $text = ''; if($a->argc > 1) { $text = load_doc_file('doc/' . $a->argv[1] . '.md'); $a->page['title'] = t('Help:') . ' ' . str_replace('-',' ',notags($a->argv[1])); } if(! $text) { $text = load_doc_file('doc/Home.md'); $a->page['title'] = t('Help'); } if(! strlen($text)) { header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found')); $tpl = get_markup_template("404.tpl"); return replace_macros($tpl, array( '$message' => t('Page not found.' ) )); } return Markdown($text); }