That’s interesting as I haven’t played with iterates and generators much.
If the iterator can’t take an iterable, the idea of something like __toArray seems way more convenient: https://wiki.php.net/rfc/to-array Cheers, Josh > On Aug 31, 2020, at 4:39 PM, Michael Voříšek - ČVUT FEL > <voris...@fel.cvut.cz> wrote: > > I would highly prefer php optimalization for it. ArrayKeysIterator can > not even used if the input is iterable instead of pure array. > With kind regards / Mit freundlichen Grüßen / S přátelským pozdravem, > > Michael Voříšek > >> On 31 Aug 2020 23:31, Max Semenik wrote: >> >>> On Mon, Aug 31, 2020 at 11:53 PM Michael Voříšek - ČVUT FEL >>> <voris...@fel.cvut.cz> wrote: >>> Optimizing foreach (array_keys($arr) as $k) is very important, not only >>> because of memory, but because of speed when not all elements needs to >>> be iterated, like: foreach (array_keys($arr) as $k) { if ($k some >>> condition) { break; } } >> Can an iterator be the answer? E.g. foreach (new ArrayKeysIterator($arr) as >> $k) { ... } -- >> Best regards, >> Max Semenik
