Re: Fixing strange foreach behavior.

Hi Nikita, On Thu, Jan 22, 2015 at 12:42 AM, Nikita Popov <nikita.ppv@gmail.com> wrote: > On Wed, Jan 21, 2015 at 2:57 PM, Dmitry Stogov <dmitry@zend.com> wrote: > >> Hi, >> >> Yeah, I think changing foreach behaviour in more consistent and efficient >> way may make sense. >> If we won't use HashTable.nInternalPointer we won't need to copy >> immutable arrays. >> The same for nested foreach on the same array. >> We could also eliminate all the HashPosition magic introduced to keep >> PHP5 behavior. >> >> On the other hand some apps may relay on current weird behavior. >> >> I remember, long time ago Nikita made some related proposal. >> Nikita, could you please send a link. >> >> Thanks. Dmitry. >> > > Original proposal is the patch linked at the end of > https://bugs.php.net/bug.php?id=53405. However that was aimed > at making > external HashPosition iteration to work like the internal pointer, so we > could make it fully independent while keeping most of the current behavior. > I fear it would make the implementation even more complicated than it > already is. > > For PHP 7 we have the option to alter the iteration semantics for edge > cases a bit (especially interaction of iteration and changes to the array). > I'll have to try out some ideas in that direction and report back. > Great to hear this. I'm looking forward outcomes! Regards, -- Yasuo Ohgaki yohgaki@ohgaki.net