安装PHP7和相关扩展
Nginx.org/packages/centos/6/noarch/RPMS/Nginx-release-centos-6-0.el6.ngx.noarch.rpm (Nginx)
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
1.cd /etc/yum.repos.d
2.nano remi.repo
>>>
[remi-PHP55]
name=Remi's PHP 5.5 RPM repository for Enterprise Linux 6 - $basearch
#baseurl=http://rpms.remirepo.net/enterprise/6/PHP55/$basearch/
mirrorlist=http://rpms.remirepo.net/enterprise/6/PHP55/mirror
# NOTICE: common dependencies are in "remi-safe"
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-remi
>>>>>
将enabled设置为0；
3.nano remi.repo
>>
[remi-PHP70]
name=Remi's PHP 7.0 RPM repository for Enterprise Linux 6 - $basearch
#baseurl=http://rpms.remirepo.net/enterprise/6/PHP70/$basearch/
mirrorlist=http://rpms.remirepo.net/enterprise/6/PHP70/mirror
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-remi
>>>>>
将enabled设置为1；
4.安装扩展：
