learndash_is_sample()
Function: Checks if a lesson, topic, or quiz is a sample or not.
@since: 2.1.0 | Uses: 6 functions | Used By: 9 functions
@package: LearnDash / Misc
Source Files: includes/ld-misc-functions.php
@package: LearnDash / Misc
Source Files: includes/ld-misc-functions.php