By Lex Li
This page shows you how to use PHP Diagnostics.
IIS supports PHP via FastCGI. However, registering PHP properly on IIS has been a challenge. Either manually or via Web Platform Installer, you might get a broken installation.
Thus, proper tooling is needed to diagnose such broken installation and learn which steps can be taken to make it healthy.
Installing PHP via Web Platform Installer today is often problematic. It is highly recommended that you follow the manual steps .