moodle/help.php

57 lines
1.5 KiB
PHP

<?PHP /// $Id$
/// help.php - prints a very simple page and includes a
/// page content or a string from elsewhere
/// Usually this will appear in a popup
/// See helpbutton() in lib/moodlelib.php
require_once("config.php");
optional_variable($file, "");
optional_variable($text, "No text to display");
optional_variable($module, "moodle");
print_header();
if (detect_munged_arguments("$module/$file")) {
error("Filenames contain illegal characters!");
}
$helpfound = false;
if (!empty($file)) {
$langs = array(current_language(), get_string("parentlanguage"), "en"); // Fallback
foreach ($langs as $lang) {
if (empty($lang)) {
continue;
}
if ($module == "moodle") {
$filepath = "$CFG->dirroot/lang/$lang/help/$file";
} else {
$filepath = "$CFG->dirroot/lang/$lang/help/$module/$file";
}
if (file_exists("$filepath")) {
$helpfound = true;
include("$filepath"); // The actual helpfile
break;
}
}
} else {
echo "<p>";
echo $text;
echo "</p>";
$helpfound = true;
}
if (!$helpfound) {
notify("Help file '$file' could not be found!");
}
close_window_button();
echo "<center><p><a href=\"help.php?file=index.html\">".get_string("helpindex")."</a><p></center>";
?>
</body>
</html>