YUM安装PHP5.6

1 如果系统之前已经通过yum安装过了php，这里先卸载
yum remove php*
yum list installed | grep php

2 安装yum源
yum -y install epel-release (安装epel源)
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo (安装163源)
rpm –Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm （安装remi源）

3 安装php5.6
yum install --enablerepo=remi --enablerepo=remi-php56 php-fpm
yum install --enablerepo=remi --enablerepo=remi-php56 php php-opcache php-devel php-mbstring php-mcrypt php-mysqlnd php-phpunit-PHPUnit php-pecl-xdebug php-pecl-xhprof php-bcmath php-gd --skip-broken

启动php-fpm
/etc/init.d/php-fpm start

开机启动php-fpm
vim /etc/rc.d/rc.local
/etc/init.d/php-fpm start