On 29.12.2017 at 16:37, Nikita Popov wrote: > On Fri, Dec 29, 2017 at 1:08 PM, Fleshgrinder <p...@fleshgrinder.com> wrote: > >> What is the use case for `int|float`? I mean, if f is able to process a >> `float` than f is able to process an `int` and since `int` is already >> automatically changed to a `float`, well, you're done. > > int|float is the natural type of numeric operations in PHP. Integers > automatically overflow into floating point numbers, so signatures using int > in conjunction with numeric operations are somewhat problematic.
In my humble opinion, introducing `int|float` or `number` types would not solve the real problem, namely that overflowing to float easily causes unexpected behavior. For instance: PHP_INT_MAX + 1 > PHP_INT_MAX // => false (64bit arch) -- Christoph M. Becker -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
