Re: Internal iteration API
| From: | Stas Malyshev | Date: | Fri, 13 Jul 2012 17:30:32 +0000 |
| Subject: | Re: Internal iteration API | ||
| References: | 1 2 3 4 5 6 7 8 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-61210@lists.php.net to get a copy of this message | ||
Hi!
> Yep, today we have :
> - arrays
> - Object implementing ArrayAccess
> - Objects implementing Traversable (Iterator)
> - array_****() functions not working with ArrayAccess' objects
> - Iterator API not working with arrays (ArrayIterator needed)
> - ... I forget things
>
> There sure is something to do with that to make a consistent API.
Definitely, having consistent generic iteration API would be great, and
pretty much the only reason many iterative functions don't suport
traversables is that there's no such API.
As for ArrayAccess, it's more complicated. For example, if you have
array_shift() I'm not sure ArrayAccess is enough to implement it. To
find out "first" element you'd need Traversable, but even that won't
allow you to "shift" array elements. So for some array_* functions only
thing that you can rely on is an actual array...
--
Stanislav Malyshev, Software Architect
SugarCRM: http://www.sugarcrm.com/
(408)454-6900 ext. 227