Plenigo is a Software-As-A-Service that allows everyone to easily monitarize his digital content.
The plenigo PHP SDK encapsulates the plenigo RESTful API and provides the user with all necessary functionality to implement the server side plenigo paywall.
A detailed usage guide can be found in the wiki.
If you find any problems or bugs please feel free to open up a ticket in the tracker.
A composer package can be found on packagist.org.