Re: [PATCH] new idate() - sunrise() - sunset() functions

I would be very interested. And not just for PHP, tho I would like to see a PHP function for it. We have several apps that are currently obtaining the GMT offset the old-fashion way. 1. Set the TZ=GMT, perform a mktime call. 2. Set TZ to local timezone, perform the same mktime call. 3. Subtract the 2 timestamps. 4. Reset TZ back to its standard value. If you properly set the dst param, the result will be the time difference between the two timezones for whatever date/time you want. As ugly as this seems (and I do agree its ugly), it actually works very well, stable, and performs pretty fast. Our apps perform this sequence tens of thousands times per day at least. I always felt if I "had the time" I'd try and re-write it to do something along the same you describe, but never got there. Brian David Gillies wrote:

In a similar itch-scratching moment I whipped up a trivial PHP module that groks tzfile timezone files to give you the offset from GMT at any time in the Unix epoch. I needed this to preflight a bunch of data which had been gathered with a lot of disparate time zones into a single UTC version, but I thought it might merit further dissemination. Anyone interested? Best Wishes David Gillies San Jose Costa Rica

sunrise() - sunset() functions

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