Re: FILTER_VALIDATE_INT and +0/-0
| From: | Derick Rethans | Date: | Sun, 03 Feb 2013 22:38:16 +0000 |
| Subject: | Re: FILTER_VALIDATE_INT and +0/-0 | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-65594@lists.php.net to get a copy of this message | ||
On Sun, 3 Feb 2013, Martin Jansen wrote:
> Back in December I submitted a pull request to make FILTER_VALIDATE_INT
> accept +0/-0. That request was merged into php-src:
>
> https://github.com/php/php-src/pull/248
>
> The other day I then stumbled upon a note on
> http://www.php.net/manual/en/filter.filters.validate.php saying
> "Numbers
> +0 and -0 are not valid integers but validate as floats.", which makes
> me wonder if the previous behavior (rejecting +0/-0) was on purpose
> rather than by mistake?
+0 and -0 don't make sense for integers, where there is only 0. Allowing
only 0 was on purpose.
Derick