/**
* @param $field
* @param null|string $lang
* @return string
*/
public static function lang($field, $lang = 'ru')
{
if (isset($_GET['lang'])) {
$lang = $_GET['lang'];
}
if (self::$langObj === null) {
self::$langObj = new Lang($lang);
}
return self::$langObj->getField($field);
}