Re: PHP date: ISO year = loss of hair

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On Fri, December 14, 2007 2:02 am, Arno Kuhl wrote:
> I'm battling with getting the last week number using date(W,
> $unixdate). If
> the date is 30 December 2007 ($unixdate=1198965600) then date(W,
> $unixdate)
> returns 01. I know that according to the ISO spec, the last week of
> the ISO
> year has 28 December in it, so in this particular case the last week
> number
> of the ISO year is 52. However 30 December is in the following week,
> week
> 53. How do I get the correct value of 53 for 30 December 2007?
>
> I'm thinking along the lines of: if the date is greater than 28
> December
> then use the week number of 28 December; then check every day between
> 28
> December and the date to see if a Sunday occurs and if so add one to
> the
> week number. It looks like it will work but seems ridiculously
> laboured for
> such a simple issue. Am I overlooking something obvious here - is
> there
> something I've missed about PHP date? Any pointers would be greatly
> appreciated.

I think Arlo Leach fought this battle and posted here or in the
Chicago PHP User Group about it...

You should be able to find PHP-General archives easily enough.

The Chicago group ones are here:
http://sourceforge.net/mailarchive/forum.php?forum_name=chiphpug-discuss

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