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Date: Wed, 8 Jul 2015 13:29:07 -0600
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To: Net Mo <netmo.php@gmail.com>
Cc: internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Change IntlChar::getNumericValue() to return something
 less horrible when the char is not numeric?
From: levim@php.net (Levi Morrison)

On Wed, Jul 8, 2015 at 1:50 AM, Net Mo <netmo.php@gmail.com> wrote:
> ICU documentation:
> http://icu-project.org/apiref/icu4c/uchar_8h.html#a36982efc84143b9bb5a11bf54b86af48
>
> Currently the PHP function returns the U_NO_NUMERIC_VALUE constant, which
> is set to the very weird "float(-123456789)"; basically it's a value that
> it's certain it doesn't have an Unicode numeric character equivalent
> counterpart.
>
> I would change the function to return NULL instead; what do you think?

Why is comparing to U_NO_NUMERIC_VALUE undesirable?