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Posted by Robert Cummings on 10/20/48 11:24
On Fri, 2005-08-19 at 13:47, Philip Hallstrom wrote:
> >> All you need is the mktime() command.
> >>
> >> do something like:
> >> $futureDate = date("Y-m-d", mktime(0, 0, 0, $month, $today+
> >> $daysToAdd, $year));
> >>
> >> Jordan
> >>
> >>
> >> http://www.php.net/mktime
> >> mktime() is useful for doing date arithmetic and validation, as it
> >> will automatically calculate the correct value for out-of-range
> >> input. For example, each of the following lines produces the string
> >> "Jan-01-1998".
> >>
> >> <?php
> >> echo date("M-d-Y", mktime(0, 0, 0, 12, 32, 1997));
> >> echo date("M-d-Y", mktime(0, 0, 0, 13, 1, 1997));
> >> echo date("M-d-Y", mktime(0, 0, 0, 1, 1, 1998));
> >> echo date("M-d-Y", mktime(0, 0, 0, 1, 1, 98));
> >> ?>
> >
> > All fine and dandy... but he said WEEKDAYS, so adding 5 days to a given
> > day must non deduct from the 5 days when a weekend day is passed. This
> > kind of calculation is useful for banks and other businesses that only
> > process transactions on business days (which happen to be weekdays).
>
> Easy enough to change that date(...mktime(...)) command above to return
> the weekday and while the weekday is a weekend just add a day and repeat.
Actually sorry to post again on the same post, but this is like the
first solution posted and is invalid since it doesn't account for
non-weekdays that fall within the range. It only checks the endpoints of
the addition. For instance adding 50 days would contain about 20 or so
weekend days.
Cheers,
Rob.
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