Okay enough of this. Please show us some code. :-)
-Kevin
----- Original Message -----
From: "Sunfire" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 05, 2003 2:10 PM
Subject: Re: Re: [PHP] empty variables from a form
> empty doesnt work either... it still comes up as though something is in
them
> and excludes either nothing at all or includes everything...even the empty
> vars..any reason for that ?
>
>
> ----- Original Message -----
> From: "1LT John W. Holmes" <[EMAIL PROTECTED]>
> To: "Sunfire" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> Sent: Wednesday, February 05, 2003 2:43 PM
> Subject: Spam: Re: [PHP] empty variables from a form
>
>
> >
> > > > > how would you test for an empty (unused) variable from a form..
> > > > > i have a phone number split into 3 different vairiables and want
to
> > test
> > > > to
> > > > > see if they were used in the form before displaying either the
phone
> > > > number
> > > > > itself or just leaving it out of the display... what code would be
> > good
> > > to
> > > > > test it with.. the variables are $ac2 $ext2 and $num2
> > > >
> > > > Use the isset() function:
> > > >
> > > > if(isset($ac2)) and
> > > > if(isset($ext2)) and
> > > > if(isset($num2)) { do something }
> > > > else { do something else }
> >
> > That's not a good idea if your trying to check for an empty variable. An
> > empty text box, when submitted, will still be set and pass isset(). You
> > should use empty() is that's really what you're looking for.
> >
> > ---John Holmes...
> >
> >
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> >
> >
>
>
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