function qwp_initialize_language()
{
global $language, $language_set, $lang_txts, $loaded_lang;
$loaded_lang = array();
$lang_txts = array();
// initialize language set
if (!isset($language_set)) {
$language_set = C('lang_set');
}
if (!$language_set) {
$set = scandir(QWP_LANG_ROOT);
$language_set = array();
foreach ($set as &$name) {
if (!is_dot_dir($name) && $name != 'main.php') {
$language_set[$name] = true;
}
}
_C('lang_set', $language_set);
}
if (!isset($language) || !isset($language_set[$language])) {
$language = C('lang');
if (!$language) {
$language = DEFAULT_LANGUAGE;
}
}
}
function dir_size($dir)
{
$handle = opendir($dir);
$size = 0;
while (false !== ($file = readdir($handle))) {
if (is_dot_dir($file)) {
continue;
}
if (is_dir("{$dir}/{$file}")) {
$size += dir_size("{$dir}/{$file}");
} else {
$size += filesize("{$dir}/{$file}");
}
}
closedir($handle);
return $size;
}
