Hi Everyone, Quite some time after mentioning the "clone with" construct the first time (at the end of the https://wiki.php.net/rfc/write_once_properties#run-time_behaviour section), finally I managed to create a working implementation for this feature which would make it possible to properly modify readonly properties while simplifying how we write "wither" methods: https://wiki.php.net/rfc/clone_with
Regards, Máté Kocsis
