准备

添加仓库

有一个专为PHP设计的仓库，可以将其添加到您的项目中。
https://webtatic.com/

CentOS/RHEL 6.x 的设想是在 CentOS 6.5 上进行安装。

$ sudo rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
$ sudo rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm

安裝

选择并安装必要的软件包
参考上述网页的“包”

$ sudo yum -y install php70w php70w-devel php70w-mcrypt php70w-mbstring php70w-mysqlnd php70w-pdo php70w-common php70w-xml php70w-opcache php70w-gd

确认

$ php -v
HP 7.0.3 (cli) (built: Feb  4 2016 21:15:42) ( NTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies
    with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies