Suggested edit to Hueman Theme \parts\single-author-date.php

single-author-date.php

<?php
/*  Print the post author. Compatible with Google Structured data. Must be used in the WordPress loop
* @php return html string
/* ------------------------------------ */
$display_author = hu_is_checked( 'post-meta-author' );
$display_date   = hu_is_checked( 'post-meta-date' );
//error_log( $display_author );
if ( $display_author || $display_date ) {
  $published_date = get_the_date( get_option('date_format') );
  $machine_readable_published_date = esc_attr( get_the_date( 'c' ) );
  ?>
  <p class="post-byline">
  <?php if ( $display_author ) :?>
     <?php _e('by','hueman'); ?>
     <span class="vcard author">
       <span class="fn"><?php the_author_posts_link(); ?></span>
     </span>
     <?php if ( $display_date ) :?>&middot;
      <?php endif; ?>
  <?php endif; ?>
  <?php if ( $display_date ) :?>
      <?php if ( hu_is_checked('structured-data') ) : ?>
            <?php if( get_the_modified_date() > get_the_date() ) : ?>

                <?php
                  $modified_date = get_the_modified_date( get_option('date_format') );
                  $machine_readable_modified_date = esc_attr( get_the_modified_date( 'c' ) );
                ?>
                <?php _e('Published', 'hueman'); ?> <time class="published" datetime="<?php echo $machine_readable_published_date; ?>"><?php echo $published_date; ?></time>
                &middot; <?php _e('Updated', 'hueman'); ?> <time class="updated" datetime="<?php echo $machine_readable_modified_date; ?>"><?php echo $modified_date; ?></time>
            <?php else : ?>
                <?php _e('Published', 'hueman'); ?> <time class="published" datetime="<?php echo $machine_readable_published_date; ?>"><?php echo $published_date; ?></time>
            <?php endif; ?>
      <?php else : ?>
          <?php _e('Published', 'hueman'); ?> <time class="published" datetime="<span class="published"><?php echo $published_date; ?></span>
      <?php endif ?>
  <?php endif; ?>
  </p>
<?php
}