OS: Centos 5.5 x86_64
1)安装Oracle即时客户端程序包
#rpm -ivh oracle-instantclient-basic-10.2.0.3-1.x86_64.rpm
#rpm -ivh oracle-instantclient-devel-10.2.0.3-1.x86_64.rpm
#rpm -ivh oracle-instantclient-sqlplus-10.2.0.3-1.x86_64.rpm
2)安装OCI8 PHP扩展
#yum install libaio
#cd php-5.3.6/ext/oci8（php源码文件）
#/usr/local/php/bin/phpize
#./configure --with-php-config=/usr/local/php/bin/php-config --with-oci8=instantclient,/usr/lib/oracle/10.2.0.3/client64/lib
#make
#make install
3)修改PHP配置文件
#vim /usr/local/php/lib/php.ini
添加：
extension = "oci8.so"
#/usr/local/php/bin/php -m 查看oci8模块是否成功加载。
