On Mon, Jun 27, 2016 at 3:19 AM, Fleshgrinder <p...@fleshgrinder.com> wrote:
> I would like to start the discussion on the already announced var_info() > function. Especially the following open issues should be addressed > before going into voting: > > 1. Whether to output "negative zero float" for -0.0 or keep "zero > float". This functionality was requested on Reddit but IEEE 754 actually > says that one should ignore the difference. Detecting the negative zero > would also require the signbit functionality from C99 (or weird hacking). > I think IEEE 754 only specifies that -0.0 and +0.0 be considered equal for the purpose of numeric equality. That doesn't necessarily mean converting to a string in some manner should produce the same result. It is already the case that (string)(float)-0.0 === "-0" and this is how I check for -0.0 in PHP. > 2. Whether to output "invalid object" instead of "object of class > __PHP_Incomplete_Class" to make it more clear cut that this object is > wonky. > > https://wiki.php.net/rfc/var_info > > -- > Richard "Fleshgrinder" Fussenegger > >
