public static function output( $comment ) {
		wp_nonce_field( 'woocommerce_save_data', 'woocommerce_meta_nonce' );

		$current = get_comment_meta( $comment->comment_ID, 'rating', true );
		?>
		<select name="rating" id="rating">
			<?php
			for ( $rating = 1; $rating <= 5; $rating ++ ) {
				printf( '<option value="%1$s"%2$s>%1$s</option>', $rating, selected( $current, $rating, false ) ); // WPCS: XSS ok.
			}
			?>
		</select>
		<?php
	}