CentOS/RHEL5 安装PHP

解决yum 安装key无法验证问题

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 

关于Public key for *.rpm is not installed 的解决方法 – …

yum install openssl-devel        
yum install libxml2-devel       
yum install libxml2