Sitecore PowerShell - Create a report with all referenced items by Lookup Items

In case if you have a list of lookup items and you would like to get a Sitecore PowerShell report of all the referenced items in Sitecore, you can make use of the below script. Also this script demonstrates the usage of PSObject by which you can create custom object and render it in the output window. This approach is using Link database and rebuilding the link database helps you to get the most accurate results. 

With PSObject, you can merge two different object and create a new custom object which can be used for rendering the results. Instead of using multi-dimensional arrays, this can be a better approach.