. support for diffing date/times through date_diff() / DateTime::diff().
. added DateInterval class to represent the difference between two date/times.
. support for parsing ISO intervals for use with DateInterval.
. date_add() / DateTime::add(), date_sub() / DateTime::sub() for applying an
interval to an existing date/time.
- MFH: Fixed bug #44742 (timezone_offset_get() causes segmentation faults).
pattern '(A|a) .+').
- MFH: Fixed bug #41844 (Format returns incorrect number of digits for negative
years -0001 to -0999).
- MFH: Fixed bug #41842 (Cannot create years < 0100 & negative years with
date_create or new DateTime).
- MFH: Fixed bug #41709 (strtotime() does not handle 00.00.0000).
- MFH: Fixed bug #41523 (strtotime('0000-00-00 00:00:00') is parsed as
1999-11-30).
identifiers). (Derick)
- MFH: Fixed bug #36988 (mktime freezes on long numbers). (Derick)
- MFH: Implemented better error and warning handling that is also used for the
date_parse() function.
- MFH: Fixed problems with "T" in front of a time string was seen as a time
zone string.
- MFH: Fixed a problem were 5 and 6 character timezone abbreviations where not
correctly parsed.
Experimental support (All MFH):
- Added the date_parse() function that returns a parsed date/time string
including warnings and errors.
- Added the timezone_name_from_abbr() function that exposes the guessing
mechanism that tries to find a timezone identifier from a timezone
abbreviation and GMT offset.
