VI. Calendar Functions
Introduction
The calendar extension presents a series of functions to simplify
converting between different calendar formats. The intermediary
or standard it is based on is the Julian Day Count. The Julian
Day Count is a count of days starting from January 1st, 4713
B.C. To convert between calendar systems, you must first convert
to Julian Day Count, then to the calendar system of your choice.
Julian Day Count is very different from the Julian Calendar!
For more information on Julian Day Count, visit http://www.hermetic.ch/cal_stud/jdn.htm.
For more information on calendar systems visit http://www.boogle.com/info/cal-overview.html.
Excerpts from this page are included in these instructions,
and are in quotes.
Installation
To get these functions to work, you have to compile PHP
with --enable-calendar.
The windows version of PHP has built in support for this
extension. You do not need to load any additional extension
in order to use these functions.
Runtime Configuration
This extension has no configuration directives defined in
php.ini.
Resource Types
This extension has no resource types defined.
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