learndash_delete_group learndash_delete_group( int $pid ) Deletes group ID from all users meta when the group is deleted. ContentsDescription Parameters Return Source Changelog Description # Fires on delete_post hook. Parameters # $pid (int) (Required) ID of the group being deleted. Return # (boolean|void) Returns true if the deletion was successfull. Source # File: includes/ld-groups.php Changelog # Changelog Version Description 2.1.0 Introduced.