- [ ] [[ https://wiki.php.net/rfc/debug-info | Add `__debugInfo()` magic function ]]
- [X] [[ https://wiki.php.net/rfc/pow-operator | Power Operator ]]
- [X ] [[ https://wiki.php.net/rfc/use_function | Importing functions from other namespaces ]] [ D25956 ]
- [X] [[ https://wiki.php.net/rfc/const_scalar_exprs | Constant Scalar Expressions ]] [ D6670 ]
- [X] [[ https://wiki.php.net/rfc/variadics | Syntax for variadic functions ]] [ D5703, D6256, D6271 ]
- [X] [[ https://wiki.php.net/rfc/argument_unpacking | Argument Unpacking ]] [ D5908 ]