On 30 July 2025 07:54:11 BST, Alexandre Daubois <alex.daubois+...@gmail.com> wrote: >>> The value is a float that is not NaN or infinity >> >> It feels a bit odd to have a value where is_float($v) would be true, but >> is_representable_as_float($v) would be false. I'd be interested to >> understand the thinking behind this case. > >As the strings “INF” and “NAN” can't be cast as floats directly, I >think it's safer to return false on these extreme values. See >https://3v4l.org/TabMK#vnull for the cast example.
The sentence I quoted isn't talking about string inputs, it's talking about values that are already floats. The fact that you can't create one from a string cast doesn't seem relevant, if you have in fact created one some other way. https://3v4l.org/efucd Rowan Tommins [IMSoP]
