Nope, it's not. https://3v4l.org/N4LNb It should've been fixed. Indeed, many people expected it to work already.
- [PHP-DEV][RFC] Allow void return type variance Wes
- Re: [PHP-DEV][RFC] Allow void return type varian... Claude Pache
- Re: [PHP-DEV][RFC] Allow void return type va... Wes
- Re: [PHP-DEV][RFC] Allow void return typ... Girgias
- Re: [PHP-DEV][RFC] Allow void return... Wes
- Re: [PHP-DEV][RFC] Allow void r... Girgias
- Re: [PHP-DEV][RFC] Allow vo... Wes
- Re: [PHP-DEV][RFC] Allo... Girgias
- Re: [PHP-DEV][RFC] Allo... Wes
- Re: [PHP-DEV][RFC] Allo... Girgias
- Re: [PHP-DEV][RFC] Allow void return type varian... Stanislav Malyshev
- Re: [PHP-DEV][RFC] Allow void return type varian... Kalle Sommer Nielsen
- Re: [PHP-DEV][RFC] Allow void return type varian... Rowan Collins
- Re: [PHP-DEV][RFC] Allow void return type va... Michael Wallner
- Re: [PHP-DEV][RFC] Allow void return type va... Terje Bråten
