Re: Sniping on the List

On Nov 19, 2011, at 11:59 AM, Stuart Dallas wrote: > On 19 Nov 2011, at 16:48, Tedd Sperling wrote: >>>>>> For example, if you push '-1' though strtotime(-1), you'll >>>>>> get Wednesday only one day a week -- whereas 'null' works every time. >>>>> Technically I see that as a bug. I believe strtotime(null) should return null, >>>>> but due to the way type inference works, null is interpreted as 0. The point here being that >>>>> you're not getting the time at null, you're getting the time at 0. >>>> >>>> Nope, zero time is absolutely January 1, 1970 00:00:00 -- which was a Thursday. If >>>> you pass zero through strtotime(), it reports "December 1969" and I claim that to be a >>>> bug. Realize that seconds, minutes, and hours go from 0-59, not 1 to 60. Any fractions of a second >>>> before zero was 59.999... and such was indeed part of the day/month/year before. >>> >>> That has nothing to do with seconds running from 0 to 59 rather than 1 to 60, it has to >>> do with your timezone. When you ask PHP to display a formatted date with a timestamp of 0 >>> you're actually getting the time at (unix timestamp 0 + (3600 * your timezone offset in >>> hours)). Since you're in a timezone that's behind UTC you get the previous day. >> >>> -snip- with other time zone discussion that have nothing to do with what I observed nor >>> addressed in my post. >> >> My observations are demonstrated here: >> >> http://www.webbytedd.com/cccc/strtotime/index.php > > Your test code is flawed because strtotime returns an error when you pass it null. Your code is > passing that false to getdate, which is interpreting it as an integer, which would be 0. > > -Stuart Interesting -- I shall look into it. Thanks, tedd _____________________ tedd@sperling.com http://sperling.com