note 27119 added to function.date
| From: | ditisprive at hotmail dot com | Date: | Sat, 23 Nov 2002 15:36:28 +0000 |
| Subject: | note 27119 added to function.date | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-39896@lists.php.net to get a copy of this message | ||
Weeknumber-->date
This is a function to get the date if you know the week number of the year, so saturday/week 52/2002
gives 12.28.02.....
Function weektodate($weekcount,$weekdayname,$year)
{
$mydateformat="m.d.y";
$weeknr=0;
$theweekday=strtotime("last $weekdayname",mktime(0,0,0,1,1,$year));
Do{
$theweekday=strtotime("next $weekdayname",strtotime("+1 day",$theweekday));
$weeknr=date("W",$theweekday);
}while($weeknr<>$weekcount);
return date($mydateformat,$theweekday);
}
It is not the fastest one. Does anybody know a faster one?? Making a real calculation, with a matrix
or something is faster... Or a buildin function!
--
http://www.php.net/manual/en/function.date.php
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