Re: [Mason] Testing if reference

[Dave R. <au...@ur...>]

On Mon, 3 Oct 2005, Scott Lanning wrote:

> On Mon, 3 Oct 2005, Paul D. Kraus wrote:
>> I have a form that has a bunch of check boxes. If they select more then two 
>> then mason see the variable as an array reference. If they only select 1 
>> then it sets the variable to value.
>> 
>> I need to test if its an array reference. Any good way to do this?
>
> In Bricolage it's done like
>
>  # in some module:
>
>  package Bric::App::Util;
>  sub mk_aref { ref $_[0] ? $_[0] : defined $_[0] ? [$_[0]] : [] }

If you're using this for HTML forms you'd probably want to check the 
length of $_[0] as well, since an empty text field will end up coming in 
as ''.


-dave

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