friendica_2021.01_tupambae_.../mod/help.php

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<?php
require_once('library/markdown.php');
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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 '';
}
}
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function help_content(&$a) {
nav_set_selected('help');
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global $lang;
$text = '';
if ($a->argc > 1) {
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$text = load_doc_file('doc/' . $a->argv[1] . '.md');
$a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($a->argv[1]));
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}
$home = load_doc_file('doc/Home.md');
if (!$text) {
$text = $home;
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$a->page['title'] = t('Help');
} else {
$a->page['aside'] = Markdown($home);
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}
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.')
));
}
$html = Markdown($text);
$html = "<style>.md_warning { padding: 1em; border: #ff0000 solid 2px; background-color: #f9a3a3; color: #ffffff;</style>".$html;
return $html;
}