public function get_auto_enroll_courses() {

		// Ensure an array when metadata is not set.
		$courses = isset( $this->auto_enroll ) ? $this->get( 'auto_enroll' ) : array();

		// Exclude unpublished courses.
		$courses = array_values(
			array_filter(
				$courses,
				function( $id ) {
					return 'publish' === get_post_status( $id );
				}
			)
		);

		/**
		 * Filters the list of the membership's auto enroll courses
		 *
		 * @since 3.0.0
		 *
		 * @param int[]           $courses    List of LLMS_Course IDs.
		 * @param LLMS_Membership $membership Membership post object.
		 */
		return apply_filters( 'llms_membership_get_auto_enroll_courses', $courses, $this );
	}