[pmwiki-users] Problem using MarkupExpressions with ZAP variable

[Benoit Dutilleul]

Thanks for your guidance. Indeed, it is much more interesting to store dates
with a format easy to read!
Yet, I still have some difficulties. Here is the value of the variable
ActionDeadline:
(:ActionDeadline: 20080230T1600+0100:)

If I try to display this date with the ftime markup:
* Date: {(ftime %D {$:ActionDeadline})}

I get:
* Date: 01/01/70

What is the problem?


2007/6/17, Patrick R. Michaud <pmichaud at pobox.com>:
>
> On Sun, Jun 17, 2007 at 03:08:51PM -0400, The Editor wrote:
> > On 6/17/07, Patrick R. Michaud <pmichaud at pobox.com> wrote:
> > >On Sun, Jun 17, 2007 at 08:55:55AM -0400, The Editor wrote:
> > >>
> > >> I still don't like all the changes Pm made to the time function,
> > >> specifically to require the @ symbol, but that's how it works in
> > >> PmWiki.
> > >
> > >I felt this was important so that we could reliably distinguish
> > >ISO dates (20070617) from UNIX timestamps (@20070617).
> >
> > Perhaps the problem has
> > to do with the lack of documentation. Not sure where to put it though
> > as it's not really a ZAP function any longer.
>
> Since ZAP is providing the interface to strtotime(), I think that's
> probably a good place to mention the use of @ when using the results
> of strtotime with {(ftime)}.
>
> PmWiki itself doesn't expose timestamps to authors, but instead tries
> to stick with ISO formats (which have the advantage of being readable
> and meaningful to most authors).
>
> And, of course, {(ftime)} will accept any format that strtotime()
> accepts, so instead of calling strtotime in the zap form and
> storing the result, one could instead just store the human-readable
> value directly, and avoid the conversion to a timestamp altogether.
> Thus, instead of:
>
> >  (:zapform key=AddEvent:)
> >  (:input text EventYear:)
> >  (:zap php_EventDate="strtotime|{EventYear}" AddEvent:)
> >  (:zap EventDate="{php_EventDate}" AddEvent:)
> >  (:zap savedata="EventDate" AddEvent:)
> >  (:input submit:)
> >  (:zapend:)
> >
> >  {(ftime %Y when="{$:EventDate}":)
>
> I would think that one could more easily do something like:
>
>    (:zapform key=AddEvent:)
>    (:input text EventYear:)
>    (:zap EventDate="{EventYear}" AddEvent:)
>    (:zap savedata="EventDate" AddEvent:)
>    (:input submit:)
>    (:zapend:)
>
>    {(ftime %Y when="{$:EventDate}":)
>
> In fact, it seems that one could just save EventYear directly
> to the page, and use it directly:
>
>    {(ftime %Y when="{$:EventYear}":)
>
> Pm
>
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