一、首先查看是否有老版本
yum list installed | grep php
二、如果安装的有
yum remove php.x86_64 php-cli.x86_64 php-common.x86_64 php-gd.x86_64 php-ldap.x86_64 php-mbstring.x86_64 php-mcrypt.x86_64 php-mysql.x86_64 php-pdo.x86_64
三、老版本清理干净之后,进行升级
重新安装
安装PHP7.1组件,使PHP支持 MariaDB
yum install epel-release -y
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
yum install php71w php71w-cli php71w-common php71w-devel php71w-gd php71w-pdo php71w-mysql php71w-mbstring php71w-bcmath libjpeg php71w-ldap php71w-odbc php71w-pear php71w-xmlrpc
php71w-mcrypt -y
安装解压缩软件和上传插件(可选)
yum install unzip lrzsz -y
systemctl restart mariadb.service #重启MariaDB
systemctl restart httpd.service #重启apache