function foo ($arg1_required, $arg2_options = "") {
if (empty($arg2_optional) {
print "not passed";
} else {
print "explicit";
}
}
Or you can go the other route.
Jordan
"Rodent Of Unusual Size" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Rick Emery wrote:
> >
> > function foo($arg1_required, $arg2_optional="")
> > if ($arg2_optional=="") {
> > print "not passed";
> > }
> > else {
> > print "explicit";
> > }
> > }
>
> No, I said 'undef' because I mean 'undefined'. The argument
> can have *any* value; I need to know when it has *none*. That
> is, there is no magic cookie to which I can set the default that
> might not be a valid call value.
> --
> #ken P-)}
>
> Ken Coar, Sanagendamgagwedweinini http://Golux.Com/coar/
> Author, developer, opinionist http://Apache-Server.Com/
>
> "Millennium hand and shrimp!"
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