Microsoft released PHP Manager for IIS 7 – beta, an IIS extension for setting up and managing multiple PHP installations on IIS 7 servers. It can be used to: Register PHP with IIS; Run multiple PHP versions side by side; 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 fille.
From links below select the installation package appropriate for you. Download and run installer, which install and register PHP Manager's binaries with IIS. Note that only IIS versions 7.0 and above are supported. After installation is complete, launch IIS Manager and find "PHP Manager" feature: