- SPL:
. Changed ArrayIterator implementation using zend_hash_iterator_... API.
- Allowed modification of itterated ArrayObject using the same behavior
+ Allowed modification of iterated ArrayObject using the same behavior
as proposed in `Fix "foreach" behavior`. Removed "Array was modified
outside object and internal position is no longer valid" hack. (Dmitry)
. Implemented #67886 (SplPriorityQueue/SplHeap doesn't expose extractFlags