The db will include these 4 rows even though they don't store data.
Eventually they will contain data for contact info as soon as the users
log in and it prompts them for it.
On Tue, 26 Nov 2002, DL Neil wrote:
> Ed,
> Assuming there will be a response from the db-tbl, here is another choice:
>
> if ( $lineone . $linetwo . $linethree . $linefour > "" )
> {
> //show it to the user and ask if they want to change it
> }
> else
> {
> //prompt for information
> }
>
> Do you mean that the db-tbl will have a row of data even if the four fields
> are empty, or if there is no data (in those fields) will that imply that
> there is no row (and thus different code needed)?
> =dn
>
>
> > All four must be an empty string. I will be pulling the values from a
> > MySQL database. If these fields are empty I'll be prompting for
> > information. If any one of them contain anything I'll be showing it to
> > the user and asking if they want to change it.
> >
> > Thanks,
> >
> > Ed
> >
> >
> > On Tue, 26 Nov 2002, Ernest E Vogelsinger wrote:
> >
> > > At 13:50 26.11.2002, [EMAIL PROTECTED] said:
> > > --------------------[snip]--------------------
> > > > I'll be trying to use a routine that checks 4 seperate variables for
> > > >content and need to know the easiest method to do so. The function
> works
> > > >on 2 conditions; either all the variables are empty and I do something
> or
> > > >I do something else.
> > > >
> > > >$lineone
> > > >$linetwo
> > > >$linethree
> > > >$linefour
> > > >
> > > > Would you use
> > > >
> > > >if ($lineone && $linetwo && $linethree && $linefour = "")
> > > --------------------[snip]--------------------
> > >
> > > Your expression yields true if 1-3 are not-empty AND four is an empty
> > > string. Not sure if that's what you want.
> > >
> > > All empty:
> > > !($lineone || $linetwo || $linethree || $linefour)
> > > --or--
> > > !$lineone && !$linetwo && !$linethree && !$linefour
> > >
> > > All set:
> > > $lineone && $linetwo && $linethree && $linefour
> > >
> > >
> > > --
> > > >O Ernest E. Vogelsinger
> > > (\) ICQ #13394035
> > > ^ http://www.vogelsinger.at/
> > >
> > >
> > >
> > > --
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> > >
> >
> >
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> >
>
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