Posted by Rik on 07/17/06 11:56

griemer wrote:
> mmmm, i'm a little confused now.
> Not about wich day is the first day of the week, but on how 'last
> sunday' is calculated.
>
> Obviously, when you're talking about 'last sunday' on a sunday,
> you're talking about the sunday which was a week ago.
>
> BUT........
>
> I think i have to say it a little different: How do i calculate the
> total amount of seconds that have past since the last transition from
> saturday to sunday.
>
> So, every day of the week this is 'last sunday' , exept on sundays,
> then its 'today
>
>
> So the amount will never by more than 3600 * 24 * 7 seconds.
>
> I also like to know the date of that sunday

I'm not fond of strototime(), so let't do it by hand:

function last_sunday($date = false){
if($date===false) $date = time();
$last_sunday =
mktime(0,0,0,date('n',$date),date('j',$date),date('Y',$date)) - (24 * 60 *
60 * date('w',$date));
return $date - $last_sunday; //number of seconds since last transition
}

Will return the number of seconds since last sunday 00:00:00, calculated
from date, or from time() if not givem.

Grtz,
--
Rik Wasmus

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