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php访问远程Oracle服务器是否需安装Oracle客户端?
php访问远程Oracle数据库服务器时,php所在服务器是否需要安装Oracle客户端?

------解决方案--------------------
你的php所在的服务器上是要装客户端的。如在linux下,必须和客户端软件一起编译。如在win32下,除了装客户端外,还要做些简单的配置。
------解决方案--------------------
必须有 oracle client.
------解决方案--------------------
要,不然你如何安装好Oracle扩展
------解决方案--------------------
手册上写的很明白把

http://cn.php.net/manual/zh/ref.oci8.php

需求
使用本扩展需要 Oracle 客户端库。Windows 用户需要至少版本号为 10 的库才能使用 php_oci8.dll。

安装所有所需文件最方便的方法是使用 Oracle Instant Client,可以从此处得到:http://www.oracle.com/technology/tech/oci/instantclient/instantclient.html。要使 OCI8 模块能工作, "basic " 版的 Oracle Instant Client 已经足够。Instant Client 不需要 ORACLE_SID 或 ORACLE_HOME 环境变量被设定。不过可能还是要设定 LD_LIBRARY_PATH 和 NLS_LANG。

在使用本扩展之前,请确认已经为 Oracle 用户和 web daemon 用户正确设置了 Oracle 环境变量。这些变量应该在启动 web server 之前设定。下面列出了需要设置的环境变量:


ORACLE_HOME

ORACLE_SID

LD_PRELOAD

LD_LIBRARY_PATH

NLS_LANG

对于较少用到的 Oracle 环境变量例如 TNS_ADMIN,TWO_TASK,ORA_TZFILE 和各种 Oracle 全球性设定例如 ORA_NLS33,ORA_NLS10 和 NLS_* 等变量请参考 Oracle 稳当。

在为 web 服务器用户设置环境变量之后,还需要将 web 服务器用户(nobody,www)加到 oracle 组中。

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