The script is available for download from https://gallery.technet.microsoft.com//How-to-build-Powershell-7b51c238. You can also use Microsoft Script Browser for Windows PowerShell ISE to download the sample with one button click from within your scripting environment.
The sample code displays the statistical view of the FTP sites hosted on the IIS ( on windows server 2008 and above OS). It will display the IP address, PORT number, Website name. Website Identifier and all the virtual directories under it.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery