That is the only thing that I see of any real use as well. I was just
humoring Andi and his idea that we would soon be requesting that feature of
knowing which one failed the test.
-Chris
> -----Original Message-----
> From: Zeev Suraski [mailto:[EMAIL PROTECTED]]
> Sent: Monday, 19 March, 2001 7-04 aM
> To: Phil Driscoll
> Cc: Chris Newbill; Andi Gutmans; PHP DEV
> Subject: Re: [PHP-DEV] feature request
>
>
> Phil is right. The only thing that may be both useful and
> practical would
> be isset() on multiple variables, returning either true or false.
>
> Zeev
>
> At 11:31 19/3/2001, Phil Driscoll wrote:
> > >$a = 1;
> > >$b = 2;
> > >$d = 4;
> > >
> > >$play_nice = isSet($a, $b, $c, $d);
> > >
> > >if (!$play_nice) {
> > > print "The variable missing is in position ";
> > > print ($play_nice*-1);
> > >}
> > >
> > >And it would print 3, in which case we would know $c is not
> set. I'm not
> > >that sure about this approach, seems like a hack,
> >
> >It is a hack - what if $a AND $c were unset. You really need to return an
> >arbitrary length bitfield, with one bit for each arg. Then the
> sensible name
> >for the function would be isunset!
> >That said, I think the whole idea is bad. I appreciate the
> reduced number of
> >keypresses involved, but I don't think that this is a feature
> you can apply
> >orthogonally to the rest of the language without serious
> repercussions, and
> >therefore it would not posses the desirable attribute that you
> would be able
> >to guess that isset worked this way.
> >
> >Hence my vote:
> >
> > (X) don't make sweeping changes to language functionality without fully
> >considering the repercussions.
> >
> >Cheers
> >--
> >Phil Driscoll
> >Dial Solutions
> >+44 (0)113 294 5112
> >http://www.dialsolutions.com
> >http://www.dtonline.org
> >
> >
> >--
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>
> --
> Zeev Suraski <[EMAIL PROTECTED]>
> CTO & co-founder, Zend Technologies Ltd. http://www.zend.com/
>
>
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