Paul Chvostek wrote:
> Beware timestamps, though. They usually won't work for dates before
> 1970 or after 2038. If you suspect you'll need to use dates outside
> that period (for example, show the 90 days of <whatever> as of some
> date
> in 1969), your results may be unpredictable.
>
> For example, strftime("%+",0) returns "Wed Dec 31 19:00:00 EST 1969"
> in
> my timezone, and strftime("%+",-1) returns a blank. Yet, doing a
> strtotime("1969-12-31 23:59:59 GMT") will get you a -1, and the date()
> function appears to support negative timestamps ... which means you
> can't skimp on your testing if you decide to go this route. ;-)
In Business Basic I use Julian Dates:
http://www.basis-documentation.com/commands/jul_function.htm.
This lets me easily calculate days between dates just by substracting
integers. Why has PHP made dates more difficult?
-eric wood
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