For nullable types, there's a plan/rfc to have them too https://github.com/php/php-src/pull/1045 https://github.com/php/php-src/pull/1045 https://wiki.php.net

For nullable types, there's a plan/rfc to have them too https://github.com/php/php-src/pull/1045 https://github.com/php/php-src/pull/1045 https://wiki.php.net/rfc/nullable_types https://wiki.php.net/rfc/nullable_types not for 7.0 but hopefully for 7.1