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UPGRADING
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UPGRADING
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$Id$
PHP X.Y UPGRADE NOTES
1. Backward Incompatible Changes
2. New Features
2. Changes in SAPI modules
3. Deprecated Functionality
4. Changed Functions
5. New Functions
6. New Classes and Interfaces
7. Removed Extensions
8. Other Changes to Extensions
9. New Global Constants
10. Changes to INI File Handling
11. Other Changes
========================================
1. Backward Incompatible Changes
========================================
- Drop Windows XP and 2003 support. (Pierre)
- All internal case insensitivity handling for class, function and constant
names is done according to ASCII rules, current locale settings are ignored.
========================================
2. New Features
========================================
- Support constant array/string dereferencing. (Laruence)
(https://wiki.php.net/rfc/constdereference)
- Add support for using empty() on the result of function calls and
other expressions. Thus it is now possible to write empty(getArray()),
for example. (https://wiki.php.net/rfc/empty_isset_exprs)
========================================
2. Changes in SAPI modules
========================================
========================================
3. Deprecated Functionality
========================================
- The preg_replace /e modifier is now deprecated. Use
preg_replace_callback instead.
(https://wiki.php.net/rfc/remove_preg_replace_eval_modifier)
========================================
4. Changed Functions
========================================
- pack()/unpack() had the following changes, which bring it more in line
with Perl's behavior:
- Implemented format character "Z": NUL-padded string
- "a" now does not remove trailing NUL characters on unpack() anymore
- "A" will now strip all trailing ASCII whitespace on unpack() (it used to
remove only trailing spaces).
- MessageFormatter::format() and related functions now accepted named arguments
and mixed numeric/named arguments in ICU 4.8+.
- MessageFormatter::format() and related functions now don't error out when
an insufficient argument count is provided. Instead, the placeholders will
remain unsubstituted.
- MessageFormatter::parse() and MessageFormat::format() (and their static
equivalents) now don't throw away better than second precision in the
arguments.
- IntlDateFormatter::__construct and datefmt_create() now accept for the
$timezone argument time zone identifiers, IntlTimeZone objects, DateTimeZone
objects and NULL. It used to accept only time zone identifiers and NULL.
Invalid time zone identifiers are no longer accepted. Emptry strings are
no longer accepted.
- The default time zone used in IntlDateFormatter::__construct and
datefmt_create() (when the corresponding argument is not passed or NULL is
passed) is now the one given by date_default_timezone_get(), not the
default ICU time zone.
- The time zone passed to the IntlDateFormatter is ignored if it is NULL and if
the calendar passed is an IntlCalendar object -- in this case, the
IntlCalendar's time zone will be used instead. Otherwise, the time zone
specified in the $timezone argument is used instead. This does not affect
old code, as IntlCalendar was introduced in this version.
- IntlDateFormatter::__construct and datefmt_create() now accept for the
$calendar argument also IntlCalendar objects.
- IntlDateFormatter::getCalendar() and datefmt_get_calendar() return false
if the IntlDateFormatter was set up with an IntlCalendar instead of the
constants IntlDateFormatter::GREGORIAN/TRADITIONAL. IntlCalendar did not
exist before this version.
- IntlDateFormatter::setCalendar() and datefmt_set_calendar() now also accept
an IntlCalendar object, in which case its time zone is taken. Passing a
constant is still allowed, and still keeps the time zone.
- IntlDateFormatter::setTimeZoneID() and datefmt_set_timezone_id() are
deprecated. Use IntlDateFormatter::setTimeZone() or datefmt_set_timezone()
instead.
- IntlDateFormatter::format() and datefmt_format() now also accept an
IntlCalendar object for formatting.
========================================
5. New Functions
========================================
- Core:
- boolval()
- Hash:
- hash_pbkdf2()
- Intl:
- 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()
- IntlDateFormatter::formatObject()
- IntlDateFormatter::getCalendarObject()
- IntlDateFormatter::getTimeZone()
- IntlDateFormatter::setTimeZone()
- SPL:
- SplFixedArray::__wakeup()
========================================
6. New Classes and Interfaces
========================================
- Intl:
- IntlCalendar
- IntlGregorianCalendar
- IntlTimeZone
- IntlBreakIterator
- IntlRuleBasedBreakIterator
- IntlCodePointBreakIterator
========================================
7. Removed Extensions
========================================
========================================
8. Other Changes to Extensions
========================================
- Intl:
- This extension now requires ICU 4.0+.
- Added intl.use_exceptions INI directive, which controls what happens when
global errors are set together with intl.error_level.
========================================
9. New Global Constants
========================================
========================================
10. Changes to INI File Handling
========================================
========================================
11. Other Changes
========================================