Install php 8.1 debian

- Install php 8.1 debian 11
- Install php 8.1 debian 12
- Install php 8.1 debian bullseye
- Install php 8.1 debian 9
- Install php 8.1 debian 11 digitalocean
- Install php 8.1 debian nginx
- Install php fpm 8.1 debian
- Apt install php 8.1 debian
- Debian bookworm install php 8.1
- Install php 8.1 centos 7
- Install php 8.1 ubuntu 22.04
- Install php 8.1 windows