*                      @arg string $order    result order (DESC, ASC)
	 *                      @arg int    $skip     number of results to skip for pagination purposes
	 * @return array        "courses" will contain an array of course ids
	 *                      "more" will contain a boolean determining whether or not more courses are available beyond supplied limit/skip criteria
	 * @since   ??
	 * @version 3.24.0
	 */
	public function get_completed_courses( $args = array() ) {

		global $wpdb;

		$args = array_merge(
			array(
				'limit'   => 20,
				'orderby' => 'upm.updated_date',
				'order'   => 'DESC',
				'skip'    => 0,
			),
			$args
		);

		// Add one to the limit to see if there's pagination.
		$args['limit']++;

		// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$q = $wpdb->get_results(
			$wpdb->prepare(