文章目录
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2、升级仓库
rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpmrpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
3、删除现有的php
yum remove php-common
4、安装php5.6

(图片来自网络侵删)
yum install -y php56w php56w-opcache php56w-xml php56w-mcrypt php56w-gd php56w-mysql php56w-intl php56w-mbstring
5、查看新版