输入

$ sudo apt-get install -y language-pack-en-base
$ sudo LC_ALL=en_US.UTF-8 add-apt-repository ppa:ondrej/php

或者

$ sudo add-apt-repository ppa:ondrej/php

然后更新源

$ sudo apt-get update 

然后安装

$ sudo apt-get install php7.0 php7.0-cli php7.0-fpm php7.0-gd php7.0-json php7.0-mysql php7.0-readline

apt install php7.0 php7.0-curl php7.0-intl php7.0-gd php7.0-dom php7.0-mcrypt php7.0-iconv php7.0-xsl php7.0-mbstring php7.0-ctype php7.0-zip php7.0-pdo php7.0-xml php7.0-bz2 php7.0-calendar php7.0-exif php7.0-fileinfo php7.0-json php7.0-mysqli php7.0-mysql php7.0-posix php7.0-tokenizer php7.0-xmlwriter php7.0-xmlreader php7.0-phar php7.0-soap php7.0-mysql php7.0-fpm

然后编辑ngnix配置文件

# Pass all .php files onto a php-fpm/php-fcgi server.
location ~ [^/]\.php(/|$) {
        fastcgi_split_path_info ^(.+?\.php)(/.*)$;
        if (!-f $document_root$fastcgi_script_name) {
                return 404;
        }
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_index index.php;
        include fastcgi_params;
}

apt install mysql-server
apt install nginx