yum 安装 php7

配置yum源：

rpm -Uvh http://file.job520.net/linux/yum-repository/php-epel-release-latest-7.noarch.rpm
rpm -Uvh http://file.job520.net/linux/yum-repository/php-webtatic-release.rpm
yum repolist enabled | grep "webtatic*"

安装：

yum -y install php71w php71w-fpm
yum -y install php71w-mbstring php71w-common php71w-gd php71w-mcrypt
yum -y install php71w-mysqlnd php71w-xml php71w-cli php71w-devel
yum -y install php71w-pecl-memcached php71w-pecl-redis php71w-opcache

启动php-fpm：
systemctl start php-fpm