PHP Pear - Re: [PEAR] quickform exportValues never returns null ?

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Re: [PEAR] quickform exportValues never returns null ?

Alexey Borzov

2004-08-22, 4:01 pm

Hi,

Jeroen Houben wrote:
> It seems that exportValues never returns null for text inputs, even when
> no value was entered.

Yes, because text input always have a submit value unlike f.e. a checkbox.

> That's not such a bit deal, I thought I can
> overcome this by writing a filter:
>
> function emptyStringsToNull($value)
> {
> return ($value == '') ? null : $value;
> }
>
> But after running that, exportValues still doesn't return nulls, only
> empty strings ('');
> Is this normal behaviour? Should I just run the filter over the
> exportValues to get nulls instead of empty strings?

I think that's the best approach.

QuickForm may indeed have some problems handling nulls after your filter as you
don't get nulls form forms normally.

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