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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