- * convert rate:
- * usage : $i = new Pman_Core_I18n();
- * $ret = $i->convertCurrency(100,"HKD","USD");
- * if ($ret == false) {
- /// something went wrong.
- }
- *
- * @param Pman_Core_DataObjects_Person $au Authenticated user
- * @param String $type c/l/m
- * @param String $k 'comma' seperated list of keys to translate