Predefined Constants
The DATE_
constants are defined and they offer standard
date representations, which can be used along with the date format functions
(like date()).
Following constants specify a format returned by functions date_sunrise() and date_sunset().
-
SUNFUNCS_RET_TIMESTAMP
(int) - Timestamp
-
SUNFUNCS_RET_STRING
(int) - Hours:minutes (example: 08:02)
-
SUNFUNCS_RET_DOUBLE
(int) - Hours as floating point number (example 8.75)