sudo apt-get install php7.0 php7.0-cli php7.0-cgi php7.0-mysql php7.0-sqlite3
sudo apt-get install libapache2-mod-php

sudo vim /var/www/html/test.php
浏览器打开 http://localhost/test.php

卸载php
sudo apt-get --purge remove libapache2-mod-php php7.0 php7.0-cli php7.0-cgi php7.0-mysql php7.0-sqlite3
sudo apt-get autoremove php7.0
删除配置文件: sudo rm -r /etc/php