- [ ] [[ https://wiki.php.net/rfc/generators | Generators (`yield`) ]]
- [X] [[ https://wiki.php.net/rfc/finally | Support `finally` keyword ]]
- [ ] [[ https://wiki.php.net/rfc/hash_pbkdf2 | Add `hash_pbkdf2()` internal function ]]
- [ ] [[ https://wiki.php.net/rfc/password_hash | Add `password_hash()` internal function ]]
- [ ] [[ https://wiki.php.net/rfc/array_column | Add `array_column()` internal function ]]