debain安装最新php

按以下步骤走

sudo apt install apt-transport-https ca-certificates curl software-properties-common

sudo curl -fsSL https://packages.sury.org/php/apt.gpg | sudo apt-key add -

sudo add-apt-repository "deb https://packages.sury.org/php/ $(lsb_release -cs) main"

sudo apt update

sudo apt install php7.3 php7.3-fpm php7.3-common php7.3-cli php7.3-zip php7.3-xml php7.3-gd php7.3-mysql php7.3-mbstring php7.3-bcmath