Centos 安装GeoIp 库
centos install geoip


sudo pear update-channels
sudo pecl install geoip
#######

sudo yum install re2c GeoIP GeoIP-data GeoIP-devel
sudo pecl install geoip

vi /etc/php.d/geoip.ini

I also added the following settings in /etc/php.d/geoip.ini:

extension=geoip.so

重启 php.