$value) { $key = \preg_replace(['|flags\.\d+[?]|', '|[<]|', '|[>]|'], ['', ' ', ''], $key); Lang::$lang['en'][$key] = $value; } foreach (Lang::$lang['en'] as $key => $value) { if ($value === '') { unset(Lang::$lang['en'][$key]); } } DocsBuilder::addToLang($key, $value, true);