if youdo
if($var) {
}
and var doesnt exist at all, thats an error.
if(isset($var)) {
}
will test to see if $var exists, but will not test the value of var, so
$var could be blank...
Jason
"Pat" <[EMAIL PROTECTED]> wrote:
>
> So, you have to know, first, what is your meaning of your empty variabe:
> null, 0, "", array()?
>
> For example, "$var = 0;", empty($var) says true... but you?
>
> "Jason Davidson" <[EMAIL PROTECTED]> wrote in message
> news:[EMAIL PROTECTED]
> > as suggeted the isset and empty functions are usefull,
> > or if you know it may be set, but could be empty, how about just
> > if($variable) {
> >
> > }
> >
> > that is the same as
> > if($var == "")
> >
> > "Chris Mach" <[EMAIL PROTECTED]> wrote:
> > >
> > > What is the best way to determine if a variable is empty?
> > >
> > > I have a feeling there is a better way than the way I'm doing it now...
> > >
> > > if ($variable == "")
> > >
> > >
> > > ---
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