> ----- Original Message -----
> From: "Erich Beyrent" <[EMAIL PROTECTED]>
> To: "Sunfire" <[EMAIL PROTECTED]>
>
>
> > > hi..
> > >
> > > 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 }
Eesh! I think you mean:
if (isset($ac2) && isset($ext2) && isset($num2)) { do something }
And, depending on what sort of form field it is, isset() might not be a very good test
anyway!
Cheers!
Mike
---------------------------------------------------------------------
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning & Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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