The IIS is provides a PHP manager for its server. This PHP manager is a Easily install, configure, manage and troubleshoot one or many PHP versions on the same IIS server.

PHP Manager for IIS is a tool for managing one or many PHP installations on IIS 7 and IIS 7.5 servers

These are some basic requirements for IIS PHP manager:

Requirements

Windows Server 2008 or 2008 R2
Windows Vista or Windows 7
IIS 7 with FastCGI
Any PHP version

Steps for IIS PHP manager:

Register PHP with IIS;
Validate and properly configure existing PHP installations;
Run multiple PHP versions side by side on the same server and even within the same web site;
Check PHP runtime configuration and environment (output of phpinfo() function);
Configure various PHP settings;
Enable or disable PHP extensions;
Remotely manage PHP configuration in php.ini file.