清理旧 php
yum -y remove php*
安装 EPEL yum 存储库
yum install epel-release -y
安装Remi存储库
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm
查看可以安装的 php 版本
yum list php*
安装 PHP 7.3
yum --enablerepo=remi-php73 install php
安装 PHP 7.2
yum --enablerepo=remi-php72 install php
安装 PHP 7.1
yum --enablerepo=remi-php71 install php
安装拓展
yum install -y php73-php-fpm php73-php-cli php73-php-bcmath php73-php-gd php73-php-json php73-php-mbstring php73-php-mcrypt php73-php-mysqlnd php73-php-opcache php73-php-pdo php73-php-pecl-crypto php73-php-pecl-mcrypt php73-php-pecl-geoip php73-php-recode php73-php-snmp php73-php-soap php73-php-xml php73-php-zip
php-fpm 操作
systemctl enable php73-php-fpm #开机启动
systemctl restart php73-php-fpm #重启
systemctl start php73-php-fpm #启动
systemctl status php73-php-fpm #检查状态
systemctl stop php73-php-fpm #关闭
编辑 /etc/opt/remi/php73/php.ini，将;cgi.fix_pathinfo=1 取消注释并将 1 改为 0。
命令行：sed -i 's/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/' /etc/opt/remi/php73/php.ini
如果运行的是 nginx 而不是 apache，修改 /etc/opt/remi/php73/php-fpm.d/www.conf
user = nginx
group = nginx
