Windows can install the PHP Manager tool under IIS to allow IIS to support multiple versions of PHP at the same time, in the following steps:
1. Download the PHP Manager software (you can download it in http://phpmanager.codeplex.com/releases/view/69115), and then double-click the installation file in the server to install it. After installation, open IIS will have a PHP Manager management option on the right side of the site.
2. Create a PHP folder in the system disk C drive, transfer different versions of PHP files to this folder, this tutorial uses the php5.2 and php5.3 versions of PHP.
3. Go to the IIS Admin interface, double-click PHP Manager, select Register new PHP version, select the Php-cgi.exe file under the 5.2 version directory in the pop-up selection box, confirm, and then click Register New PHP version , select the Php-cgi.exe file in the 5.3 version of the directory, the same confirmation, the multi-version of the environment is set up.
4. When you need to use the PHP version, click Change PHP versions to select the desired version. You can click Check Phpinfo () next to view the PHP version and settings information.
Windows $ IIS configures multiple versions of PHP at the same time