月份: 2021 年 3 月

source : https://askubuntu.com/questions/1146109/how-to-update-upgrade-php-7-2-to-latest-version-safely

sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install php7.3 # The latest version in this repo for 18.04 is currently php7.4.  

apt-cache search php7.3 | grep php7.3  

apt install $(apt list --installed | grep php7.2- | cut -d'/' -f1 | sed -e 's/7.2/7.3/g')