IIS7.5中配置PHP运行环境全程实录
一．安装前准备好要用到的文件
mysql-essential-5.1.40-win32.msi （MySql数据库安装文件）
php-5.2.0-Win32.zip （PHP代码解析器）
phpMyAdmin-3.1.3.1-all-languages.zip（MySql数据库管理程序）
WordPressURLRewrite-1.1.zip （WP的URL重写组件）
ZendOptimizer-3.3.3-Windows-i386.exe（PHP加速器）
截图如下：
二．安装MySql
第一步，选择“自定义”，可自定义数据库文件安装路径
我选择安装数据库文件到“E:\MySqlData”目录下
第二步，配置MySql基本参数，选择“详细配置”
选择“服务器模式”
选择“支持多功能数据库”
默认下一步，端口可自已设置，保证未被占用就行
下一步设置最大权限用户名和密码
下一步等待安装，安装完了后它是自动启用MySql服务
完装MySql完成
三．安装PHP代码解析器，并让IIS支持PHP程序
第一步，解压“php-5.2.0-Win32.zip”到“D:\php”，你也可以放到其它路径,将"D:\php\php.ini-dist"文件复制一份到“C:\windows\php.ini”（改名为php.ini）,并且配置PHP，将D:\php下的php.ini-list文件名更改为php.ini，打开php.ini进行配置。
先修改extension_dir，它的目录指向必须准确，即extension_dir = "d:/php/ext"，找到register_globals = Off 修改为On,再定位到Windows Extensions将以下常用的dll文件开启，开启的方法就是将前边的分号;去掉即可
extension=php_bz2.dll
extension=php_gd2.dll
extension=php_mbstring.dll
extension=php_mysql.dll
extension=php_mysqli.dll
extension=php_pdo_mysql.dll
extension=php_pdo_odbc.dll
extension=php_xmlrpc.dll(注意如果加上了extension=php_curl.dll我这里会出错显示FastCGI 进程意外退出禁用后正常)
找到disable_functions =，修改为：
disable_functions =phpinfo,passthru,exec,system,chroot,scandir,chgrp,chown,shell_exec,proc_open,proc_get_status,ini_alter,ini_alter,ini_restore,dl,pfsockopen,openlog,syslog,readlink,symlink,popepassthru,stream_socket_server
保存好后，同时将php.ini复制到c:\windows下一份。
配置 session.save_path 目录,记得要建立 tmp 目录
session.save_path = "D:/php/tmp"
第二步，打开IIS管理器
新建应用程序池，版本选“无托管代码”，管道模式选“经典”
高级设置，注意了要启用32位应用程序（就这个小细节让我弄了3个小时找不到原因）
第三步，添加网站，记住应用程序池选择刚才添加的“ForPHP”
默认文档，添加“default.php”和“index.php”
设置“处理程序映射”，添加脚本映射
设置完成这一步就可以支持PHP程序了
四．PHP中支持MySql
有些系统安装完MySql后PHP并不能检测到MySql的存在，所以要将mysql/bin下的.libmySQL.dll复制到windows/system32里．．．
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