Thanks, that's what I'm using as a work around:
> >As a work around, I'm using StructKeyList() to get a list of variables in
> >the CGI scope, but it's a kludge I'd rather not use.
--
Mosh Teitelbaum
evoch, LLC
Tel: (301) 942-5378
Fax: (301) 933-3651
Email: [EMAIL PROTECTED]
WWW: http://www.evoch.com/
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 24, 2004 4:56 PM
To: CF-Talk
Subject: RE: IsDefined("CGI.foo") always returns YES
Mosh -
Take the decision out of CF's hands, so to speak:
<cfset lstCGIKeys = StructKeyList(cgi)>
<cfoutput>#ListFindNoCase(lstCGIKeys, "foo")#</cfoutput>
How's that for an endorsement for "ColdFusion Lists, Arrays, and
Structures"?! ;)
- Jeff
On 24 Feb 2004 at 16:32, Mosh Teitelbaum wrote:
>
> Jamie:
>
> Thanks but that won't actually work for me.Even though it's suggested in
> the documentation.
>
> I'm trying to test for existence.I don't care if the variable has a value,
> just whether or not it exists.Some CGI variables are empty, so that test
> won't work.
>
> --
> Mosh Teitelbaum
> evoch, LLC
> Tel: (301) 942-5378
> Fax: (301) 933-3651
> Email: [EMAIL PROTECTED]
> WWW: http://www.evoch.com/
>
> -----Original Message-----
> From: Jamie Jackson [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, February 24, 2004 4:15 PM
> To: CF-Talk
> Subject: Re: IsDefined("CGI.foo") always returns YES
>
> isdefined("cgi.anything") is always true.
>
> use len(cgi.anything) instead.
>
> On Tue, 24 Feb 2004 15:42:54 -0500, in cf-talk you wrote:
>
> >All:
> >
> >I ran into something unusual and I've never heard of it before.Through
> >some quick testing, it seems as if trying to determine a variables
> existence
> >within the CGI scope, whether using IsDefined() or StructKeyExists(),
> always
> >returns YES.Even if the variable doesn't exist in that scope.
> >
> >So, for example, the following evaluate to YES even if they shouldn't:
> >
> > IsDefined("CGI.foo")
> > StructKeyExists(CGI, "foo")
> >
> >Doing a <CFDUMP VAR="#CGI#"> shows that the variable does not exist in
the
> >scope.
> >
> >As a work around, I'm using StructKeyList() to get a list of variables in
> >the CGI scope, but it's a kludge I'd rather not use.
> >
> >Has anyone else ever run into this?Know of a way to resolve it?
> >
> >TIA
>
>
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