https://webtatic.com/packages/php71/
# centos6 yum install epel-release rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm
# centos7 yum install epel-release rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
来源：https://www.cnblogs.com/lantor/p/11644265.html