Seems like you should take a look at https://deb.sury.org/
PHP 8.0's release wasn't long ago enough to fit into the stable release, bullseye was too close to the initial freeze period when that happened.
PHP 8.0's release wasn't long ago enough to fit into the stable release, bullseye was too close to the initial freeze period when that happened.
For those unaware, these packages are built using the same packaging repo as the Debian “offical” packages, by a member of the “official” Debian php team.
I can’t speak highly enough of Ondřej’s work on this.