新的函数
- datefmt_format_object()
- datefmt_get_calendar_object()
- datefmt_get_timezone()
- datefmt_set_timezone()
- datefmt_get_calendar_object()
- intlcal_create_instance()
- intlcal_get_keyword_values_for_locale()
- intlcal_get_now()
- intlcal_get_available_locales()
- intlcal_get()
- intlcal_get_time()
- intlcal_set_time()
- intlcal_add()
- intlcal_set_time_zone()
- intlcal_after()
- intlcal_before()
- intlcal_set()
- intlcal_roll()
- intlcal_clear()
- intlcal_field_difference()
- intlcal_get_actual_maximum()
- intlcal_get_actual_minimum()
- intlcal_get_day_of_week_type()
- intlcal_get_first_day_of_week()
- intlcal_get_greatest_minimum()
- intlcal_get_least_maximum()
- intlcal_get_locale()
- intlcal_get_maximum()
- intlcal_get_minimal_days_in_first_week()
- intlcal_get_minimum()
- intlcal_get_time_zone()
- intlcal_get_type()
- intlcal_get_weekend_transition()
- intlcal_in_daylight_time()
- intlcal_is_equivalent_to()
- intlcal_is_lenient()
- intlcal_is_set()
- intlcal_is_weekend()
- intlcal_set_first_day_of_week()
- intlcal_set_lenient()
- intlcal_equals()
- intlcal_get_repeated_wall_time_option()
- intlcal_get_skipped_wall_time_option()
- intlcal_set_repeated_wall_time_option()
- intlcal_set_skipped_wall_time_option()
- intlcal_from_date_time()
- intlcal_to_date_time()
- intlcal_get_error_code()
- intlcal_get_error_message()
- intlgregcal_create_instance()
- intlgregcal_set_gregorian_change()
- intlgregcal_get_gregorian_change()
- intlgregcal_is_leap_year()
- intltz_create_time_zone()
- intltz_create_default()
- intltz_get_id()
- intltz_get_gmt()
- intltz_get_unknown()
- intltz_create_enumeration()
- intltz_count_equivalent_ids()
- intltz_create_time_zone_id_enumeration()
- intltz_get_canonical_id()
- intltz_get_region()
- intltz_get_tz_data_version()
- intltz_get_equivalent_id()
- intltz_use_daylight_time()
- intltz_get_offset()
- intltz_get_raw_offset()
- intltz_has_same_rules()
- intltz_get_display_name()
- intltz_get_dst_savings()
- intltz_from_date_time_zone()
- intltz_to_date_time_zone()
- intltz_get_error_code()
- intltz_get_error_message()
