升级php的版本，从5.2升级到5.6，并且安装yaf框架，操作配置如下：
0. ###备份模块列表：
cd /home/hejp/tools
php -m >php_m.txt
1. ###下载remi包###安装remi包
rpm -ivh remi-release-7.rpm
rpm -ivh epel-release-7-5.noarch.rpm
rpm -qa|grep remi-release
rpm -qa|grep epel-release
wget http://rpms.famillecollet.com/enterprise/remi-release-7.rpm
wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-
5.noarch.rpm
2. ###安装remi包
rpm -ivh remi-release-7.rpm
rpm -ivh epel-release-7-5.noarch.rpm
rpm -qa|grep remi-release
rpm -qa|grep epel-release
3. ###使用Remi repo
vim /etc/yum.repos.d/remi.repo
[remi]
name=Les RPM de remi pour Enterprise Linux 6 - $basearch
#baseurl=http://rpms.famillecollet.com/enterprise/6/remi/$basearch/
mirrorlist=http://rpms.famillecollet.com/enterprise/6/remi/mirror
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-remi
[remi-php5.6]
name=Les RPM de remi de PHP 5.5 pour Enterprise Linux 6 - $basearch
#baseurl=http://rpms.famillecollet.com/enterprise/6/php55/$basearch/
mirrorlist=http://rpms.famillecollet.com/enterprise/6/php55/mirror
# WARNING: If you enable this repository, you must also enable "remi"
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-remi
#把enabled设为1.使之起作用。 注意：如果想吧PHP5.4升级为PHP5.5，则把
［remi-php55］的enabled设置为1
4. ###停止相关服务
systemctl stop nginx
ps -ef|grep nginx
systemctl stop php-fpm
ps -ef|grep php-fpm
5. ###更新
yum update -y
yum update php
#这个时候会提醒更新php到5.6 通过以下命令查看是否完成升级
6. ###检查版本
php -v
7. ###然后启动服务
systemctl start nginx
systemctl start php-fpm
8. ####安装yaf框架：
wget https://pecl.php.net/get/yaf-2.3.5.tgz
tar zxvf yaf-2.3.5.tgz
cd yaf-2.3.5/
/usr/bin/phpize
./configure --with-php-config=/usr/bin/php-config
make
make install
9. ###检查模块：
php -m