var_dump(new IntlDateFormatter(NULL, 0, 0, NULL, new stdclass));
?>
==DONE==
--EXPECTF--
Warning: IntlDateFormatter::__construct(): datefmt_create: no such time zone: 'bad timezone' in %s on line %d
NULL
Warning: IntlDateFormatter::__construct(): datefmt_create: invalid value for calendar type; it must be one of IntlDateFormatter::TRADITIONAL (locale's default calendar) or IntlDateFormatter::GREGORIAN. Alternatively, it can be an IntlCalendar object in %s on line %d
NULL
Warning: IntlDateFormatter::__construct(): datefmt_create: Invalid calendar argument; should be an integer or an IntlCalendar instance in %s on line %d