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Posted by Robert Cummings on 10/31/05 18:44
On Mon, 2005-10-31 at 11:33, Marcus Bointon wrote:
> On 31 Oct 2005, at 14:54, Chris Shiflett wrote:
>
> > Hopefully it is also clear that your argument revolves around the
> > idea that PHP would create $_POST['foo'] as NULL if the checkbox is
> > not checked. This is wrong for two reasons:
>
> No, no, that's not what I said - I wouldn't contemplate such
> silliness! The thing I was wrong on is that PHP converts unset
> parameters (as opposed to nonexistent ones which it obviously can't
> do anything about) to an empty string, e.g. given ?a=&b=1, $_REQUEST
> ['a'] is "", not NULL.
Ummm that's not a conversion, the 'a' parameter is there with exactly 0
characters, thus it is a 0 length string. That's not a PHP idiosyncrasy,
I'm pretty sure that's the standard.
Cheers,
Rob.
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