Jesse Becker wrote:
> Here is a small patch against version 3.0.6 (*NOT* against trunk) that
> should fix the "now 0.00" problem. It is simple enough:
>
> <----cut here----->
> --- functions.php.orig Fri Dec 14 18:42:42 2007
> +++ functions.php Fri Feb 8 22:47:39 2008
> @@ -422,13 +422,8 @@
>
>
> #-------------------------------------------------------------------------------
> # If arg is entirely numeric, return it. Otherwise, return null.
> -function clean_number( $digit )
> -{
> - $return_value = null;
> - if( ctype_digit( $digit ) ) {
> - $return_value = $digit;
> - }
> - return $return_value;
> +function clean_number( $digit ) {
> + return is_numeric($digit) ? $digit : null;
> }
>
>
> #-------------------------------------------------------------------------------
> <-----cut here------>
>
>
> The original problem is that ctype_digit is literal in what it checks
> for: digits. So "4" would get passed, but "4.0" would not, since
> that pesky non-digit "." character is there. We actually want valid
> numbers, not just digits. is_numeric should work here, or some fancy
> regex (but that's probably slower and not needed).
>
>
>
Similar fix is included in the set of patches I sent a few hours ago.
Only difference is I removed clean_number() in preference for the more
precise clean_float().
I changed the existing clean_float() to use is_numeric() rather that the
regex in Jesse's previous patch since it was a bit faster in some simple
benchmarks.
alex
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