The DATE_*
constants are defined and offer standard
date representations, which can be used along with the date format functions
(like date()).
returnFormat for
date_sunrise() and
date_sunset()
These constants are deprecated as of PHP 8.4.0. The corresponding date_sunrise() and date_sunset() functions are deprecated as of PHP 8.1.0.
SUNFUNCS_RET_TIMESTAMP
(int)
SUNFUNCS_RET_STRING
(int)
08:02)
SUNFUNCS_RET_DOUBLE
(int)
8.75)
DATE_* constants
DATE_ATOM
(string)
2005-08-15T15:52:01+00:00)
Monday, 15-Aug-2005 15:52:01 UTC)
DATE_ISO8601
(string)
2005-08-15T15:52:01+0000)
Note: This format is not compatible with ISO-8601, but is left this way for backward compatibility reasons. Use
DATE_ISO8601_EXPANDED,DATE_ATOMfor compatibility with ISO-8601 instead (ref ISO8601:2004 section 4.3.3 clause d).
DATE_ISO8601_EXPANDED
(string)
+10191-07-26T08:59:52+01:00)
Note: This format allows for year ranges outside of ISO-8601's normal range of
0000-9999by always including a sign character. It also ensures that the timezone part (+01:00) is compatible with ISO-8601.
DATE_RFC822
(string)
Mon, 15 Aug 05 15:52:01 +0000)
DATE_RFC850
(string)
Monday, 15-Aug-05 15:52:01 UTC)
DATE_RFC1036
(string)
Mon, 15 Aug 05 15:52:01 +0000)
DATE_RFC1123
(string)
Mon, 15 Aug 2005 15:52:01 +0000)
DATE_RFC7231
(string)
Sat, 30 Apr 2016 17:52:13 GMT)
DATE_RFC2822
(string)
Mon, 15 Aug 2005 15:52:01 +0000)
DATE_RFC3339
(string)
DATE_ATOM.
DATE_RFC3339_EXTENDED
(string)
2005-08-15T15:52:01.000+00:00)
DATE_RSS
(string)
Mon, 15 Aug 2005 15:52:01 +0000).
Alias of DATE_RFC1123.
DATE_W3C
(string)
2005-08-15T15:52:01+00:00).
Alias of DATE_RFC3339.