1.查看有多少rpm包，然后按照依赖顺序逐一卸载。 

命令：rpm -qa | grep php

php-cli-5.3.3-22.el6.x86_64

php-pdo-5.3.3-22.el6.x86_64

php-gd-5.3.3-22.el6.x86_64

2.按依赖顺序进行删除

rpm -e php-fpm-5.3.3-22.el6.x86_64

rpm-e php-pdo-5.3.3-22.el6.x86_64

rpm -e php-pear-1.9.4-4.el6.noarch