Re: [RFC] Scalar Type Hinting With Casts (re-opening)

On Mon, Jul 14, 2014 at 12:25:22PM -0400, Anthony Ferrara wrote: > IMHO, strict hints are dangerous in the context of PHP because PHP's > types can change in unpredictable ways. A variable that was an integer > can turn into a float through seemingly integer operations. Example: > $a / $b * $b will result in a float unless $b divides $a (even though > for sane values of $a and $b, it will be exactly representable as an > int). But if you have: function foo(int $a) { ... $a = 3 / 2; } What do you expect $a to contain ? I would suggest integer 1. > And that also hints towards a benefit of adding a numeric hint as well > (which will accept (and cast to) either an int or a float, exactly how > is_numeric_string() does internally)... Which is something that may > want to be considered for this RFC. +1 -- Alain Williams Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer. +44 (0) 787 668 0256 http://www.phcomp.co.uk/ Parliament Hill Computers Ltd. Registration Information: http://www.phcomp.co.uk/contact.php #include <std_disclaimer.h>