| ⇢ | A | Collection::getIterator() added | |
| B | ↗ | A | Collection::__construct() improved |
| B | ↗ | A | CollectionSpec::it_can_reverse() improved |
| A | ↛ | Collection::rewind() removed | |
| A | ↛ | Collection::current() removed | |
| A | ↛ | Collection::next() removed | |
| A | ↛ | Collection::key() removed | |
| A | ↛ | Collection::valid() removed |