LEARNDASH_TCPDF_LEGACY_LD322
Constant: Define LearnDash LMS – Set to enable legacy TCPDF processing logic.
Constant: Define LearnDash LMS – Set to enable legacy TCPDF processing logic.
Method: Public constructor for class
Method: Entry point for IPN processing
Method: Logs the message to the IPN Processing log.
Filter Hook: Filter to exclude users with no role.