Re: Deprecate setlocale?

> On 01 04 2015, at 18:15, Dan Ackroyd <danack@basereality.com> wrote: > > Hi, > > I'd like to get people's feedback for the idea of making setlocale be > either deprecated and to be removed eventually or just increasing the > warning level against people using it. > > The short version of why we should do this is that setlocale breaks > things. It is a process wide operation, that is not thread safe on > most platforms. Although people use it to alter the way strings are > output, it also breaks libraries that are assuming that they are > running in a "C" locale. > > https://bugs.php.net/bug.php?id=59571 - breaks Imagick > https://bugs.php.net/bug.php?id=54538 - breaks NumberFormatter > https://bugs.php.net/bug.php?id=66108 - breaks constants > https://bugs.php.net/bug.php?id=67127 - breaks DateTime > https://bugs.php.net/bug.php?id=69348 - breaks MySQL > > And there are quite a few other bug reports where setlocale is doing > exactly what it is meant to do, but the unexpected side-effects are > catching people out. > > We have libraries that ship with PHP for formatting dates, numbers etc > that actually work, and don't break other libraries. > > So two questions: > > i) Are there any reasons why we couldn't or shouldn't plan for > removing setlocale at some point in the future? i.e. does it do > something that isn't supported by other libraries in PHP? > -1 I don’t hink that we should restrict access to standard library functions just because something might break due to usage under wrong assumptions. > ii) If it's not possible (or desirable) to remove it, how could we > increase the warning level against using it?