ntwb / wordpress

			// Sanitized earlier.

			$ids = implode( ',', $include );

			$this->query_where .= " AND $wpdb->users.ID IN ($ids)";

		} elseif ( ! empty( $qv['exclude'] ) ) {

			$ids = implode( ',', wp_parse_id_list( $qv['exclude'] ) );

			$this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)";

		}

		// Date queries are allowed for the user_registered field.

		if ( ! empty( $qv['date_query'] ) && is_array( $qv['date_query'] ) ) {

			$orderby = "tt.$_orderby";

		} elseif ( 'term_order' === $_orderby ) {

			$orderby = 'tr.term_order';

		} elseif ( 'include' == $_orderby && ! empty( $this->query_vars['include'] ) ) {

			$include = implode( ',', wp_parse_id_list( $this->query_vars['include'] ) );

			$orderby = "FIELD( t.term_id, $include )";

		} elseif ( 'none' == $_orderby ) {

			$orderby = '';

		} elseif ( empty( $_orderby ) || 'id' == $_orderby || 'term_id' === $_orderby ) {

			$orderby = 't.term_id';