On Mon, 1 Jul 2002, Peter J. Schoenster wrote:

> On 30 Jun 2002 at 22:31, Timothy J. Luoma wrote:
> > I am trying to compare a given date string (i.e. June 30, 2002 is
> > 20020630).  I want to make sure that the input string that is given is
> > not greater than today (i.e. if today is June 30, and you ask for
> > 20020701, I want to be able to throw an error).
> I would question why you accept input as a particular format. It's
> certainly easier to work with timestamps than arbitrary representations
> of dates.  I would not be so quick to assume you have to accept input as
> is.  Or at least have it fixed to a format ... but the Perl modules I've
> worked with are liberal with what they receive .... :) Anyhow, I'd just
> find a PHP module ot handle this.

In general, the user shouldn't ever have to format the date... it's all
automatically generated.

However, wise users will look at


and realize that they could possibly "look ahead" by manually editing
the URL and going to


That's all I wanted to avoid.  I'm using that particular date string
because it works easily with what I am trying to accomplish.

I am surprised, however, that two PHP functions would deal differently
with the way that day#-of-the-year is handled (365 vs 366).

Thanks to all who made suggestions on/off list, I believe I now have it


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