php安装程序的版本选择

      注意，当前官网只有两类版本5.3.8(VC9编译)、5.2.17(VC6编译)
      按官网的说法

Which version do I choose?

If you are using PHP with Apache 1 or Apache2 from apache.org you need to use the VC6 versions of PHP

If you are using PHP with IIS you should use the VC9 versions of PHP