Following snippet that will display the last modified date with your post along with the date posted as long as the dates are not the same.
Posted on <?php the_time('F jS, Y') ?> <?php $u_time = get_the_time('U'); $u_modified_time = get_the_modified_time('U'); if ($u_modified_time != $u_time) { echo "and last modified on "; the_modified_time('F jS, Y'); echo ". "; } ?> |