linking author url in comments (gist for 'un invincible ete' blog)

comments.php

<?php
/**
 * The template to display the Comments.
 *
 * The area of the page that contains both current comments
 * and the comment form.
 */

/*
 * If the current post is protected by a password and
 * the visitor has not yet entered the password we will
 * return early without loading the comments.
 */
if ( post_password_required() ) {
  return;
}



// Callback for output single comment layout
if ( ! function_exists( 'gutentype_output_single_comment' ) ) {
  function gutentype_output_single_comment( $comment, $args, $depth ) {
    switch ( $comment->comment_type ) {
      case 'pingback':
        ?>
        <li class="trackback"><?php esc_html_e( 'Trackback:', 'gutentype' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( esc_html__( 'Edit', 'gutentype' ), '<span class="edit-link">', '<span>' ); ?>
        <?php
        break;
      case 'trackback':
        ?>
        <li class="pingback"><?php esc_html_e( 'Pingback:', 'gutentype' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( esc_html__( 'Edit', 'gutentype' ), '<span class="edit-link">', '<span>' ); ?>
        <?php
        break;
      default:
        $author_id   = $comment->user_id;
        $author_url   = $comment->comment_author_url;
        $author_link = ! empty( $author_id ) ? get_author_posts_url( $author_id ) : '';
        $mult        = gutentype_get_retina_multiplier();
        ?>
        <li id="comment-<?php comment_ID(); ?>" <?php comment_class( 'comment_item' ); ?>>
          <div id="comment_body-<?php comment_ID(); ?>" class="comment_body">
            <div class="comment_author_avatar"><?php echo get_avatar( $comment, 90 * $mult ); ?></div>
            <div class="comment_content">
              <div class="comment_info">
                <h6 class="comment_author">
                <?php
                  echo ( ! empty( $author_link ) ? '<a href="' . esc_url( $author_link ) . '">' : '<a href="' . esc_url( $author_url ) . '">' )
                      . esc_html( get_comment_author() )
                      . ( ! empty( $author_link ) ? '</a>' : '</a>' );
                ?>
                </h6>
                <div class="comment_posted">
                  <span class="comment_posted_label"><?php esc_html_e( 'Posted', 'gutentype' ); ?></span>
                  <span class="comment_date">
                  <?php
                    echo esc_html( get_comment_date( get_option( 'date_format' ) ) ); //gutentype_get_date(get_comment_date('U'))
                  ?>
                  </span>
                  <span class="comment_time">
                  <?php
                    esc_html_e( 'at ', 'gutentype' );
                    echo esc_html( get_comment_date( get_option( 'time_format' ) ) );
                  ?>
                  </span>
                  <?php if ( 1 == $comment->comment_approved ) { ?>
                  <span class="comment_counters"><?php gutentype_show_comment_counters(); ?></span>
                  <?php } ?>
                </div>
                <?php
                // Add rating to the comments
                do_action( 'trx_addons_action_post_rating', array( 'location' => 'comment' ) );
                ?>
              </div>
              <div class="comment_text_wrap">
                <?php if ( 0 == $comment->comment_approved ) { ?>
                <div class="comment_not_approved"><?php esc_html_e( 'Your comment is awaiting moderation.', 'gutentype' ); ?></div>
                <?php } ?>
                <div class="comment_text"><?php comment_text(); ?></div>
              </div>
              <?php
              if ( $depth < $args['max_depth'] ) {
                ?>
                <div class="reply comment_reply">
                <?php
                  comment_reply_link(
                    array_merge(
                      $args, array(
                        'add_below' => 'comment_body',
                        'depth' => $depth,
                        'max_depth' => $args['max_depth'],
                      )
                    )
                  );
                ?>
                </div>
                <?php
              }
              ?>
            </div>
          </div>
        <?php
        break;
    }
  }
}


// Output comments list
if ( have_comments() || comments_open() ) {
  ?>
    <span class="show_comments sc_button"><span class="display"><?php esc_html_e( 'Show Comments', 'gutentype' ); ?></span><span class="close"><?php esc_html_e( 'Close Comments', 'gutentype' ); ?></span></span>
  <section class="comments_wrap">
    <?php
    if ( have_comments() ) {
      ?>
      <div id="comments" class="comments_list_wrap">
        <h3 class="section_title comments_list_title">
        <?php
        $gutentype_post_comments = get_comments_number();
        echo esc_html( $gutentype_post_comments );
        ?>
      <?php echo esc_html( _n( 'Comment', 'Comments', $gutentype_post_comments, 'gutentype' ) ); ?></h3>
        <ul class="comments_list">
          <?php
          wp_list_comments( array( 'callback' => 'gutentype_output_single_comment' ) );
          ?>
        </ul><!-- .comments_list -->
          <?php
          if ( ! comments_open() && get_comments_number() != 0 && post_type_supports( get_post_type(), 'comments' ) ) {
            ?>
          <p class="comments_closed"><?php esc_html_e( 'Comments are closed.', 'gutentype' ); ?></p>
            <?php
          }
          if ( get_comment_pages_count() > 1 ) {
            ?>
          <div class="comments_pagination"><?php paginate_comments_links(); ?></div>
            <?php
          }
          ?>
      </div><!-- .comments_list_wrap -->
        <?php
    }

    if ( comments_open() ) {
      ?>
      <div class="comments_form_wrap">
        <div class="comments_form">
        <?php
        $gutentype_form_style = esc_attr( gutentype_get_theme_option( 'input_hover' ) );
        if ( empty( $gutentype_form_style ) || gutentype_is_inherit( $gutentype_form_style ) ) {
          $gutentype_form_style = 'default';
        }
        $gutentype_commenter     = wp_get_current_commenter();
        $gutentype_req           = get_option( 'require_name_email' );
        $gutentype_comments_args = apply_filters(
          'gutentype_filter_comment_form_args', array(
            // class of the 'form' tag
            'class_form'           => 'comment-form ' . ( 'default' != $gutentype_form_style ? 'sc_input_hover_' . esc_attr( $gutentype_form_style ) : '' ),
            // change the id of send button
            'id_submit'            => 'send_comment',
            // change the title of send button
            'label_submit'         => esc_html__( 'Leave a comment', 'gutentype' ),
            // change the title of the reply section
            'title_reply'          => esc_html__( 'Leave a comment', 'gutentype' ),
            'title_reply_before'   => '<h3 class="section_title comments_form_title">',
            'title_reply_after'    => '</h3>',
            // remove "Logged in as"
            'logged_in_as'         => '',
            // remove text before textarea
            'comment_notes_before' => '',
            // remove text after textarea
            'comment_notes_after'  => '',
            'fields'               => array(
              'author' => gutentype_single_comments_field(
                array(
                  'form_style'        => $gutentype_form_style,
                  'field_type'        => 'text',
                  'field_req'         => $gutentype_req,
                  'field_icon'        => 'icon-user',
                  'field_value'       => isset( $gutentype_commenter['comment_author'] ) ? $gutentype_commenter['comment_author'] : '',
                  'field_name'        => 'author',
                  'field_title'       => esc_html__( 'Your Name *', 'gutentype' ),
                  'field_placeholder' => '',
                )
              ),
              'email'  => gutentype_single_comments_field(
                array(
                  'form_style'        => $gutentype_form_style,
                  'field_type'        => 'text',
                  'field_req'         => $gutentype_req,
                  'field_icon'        => 'icon-mail',
                  'field_value'       => isset( $gutentype_commenter['comment_author_email'] ) ? $gutentype_commenter['comment_author_email'] : '',
                  'field_name'        => 'email',
                  'field_title'       => esc_html__( 'Your Email *', 'gutentype' ),
                  'field_placeholder' => '',
                )
              ),
              'url'  => gutentype_single_comments_field(
                array(
                  'form_style'        => $gutentype_form_style,
                  'field_type'        => 'text',
                  'field_icon'        => 'icon-mail',
                  'field_value'       => isset( $gutentype_commenter['comment_author_url'] ) ? $gutentype_commenter['comment_author_url'] : '',
                  'field_name'        => 'url',
                  'field_title'       => esc_html__( 'Your website', 'gutentype' ),
                  'field_placeholder' => '',
                )
              ),
            ),
            // redefine your own textarea (the comment body)
            'comment_field'        => gutentype_single_comments_field(
              array(
                'form_style'        => $gutentype_form_style,
                'field_type'        => 'textarea',
                'field_req'         => true,
                'field_icon'        => 'icon-feather',
                'field_value'       => '',
                'field_name'        => 'comment',
                'field_title'       => esc_html__( 'Comment *', 'gutentype' ),
                'field_placeholder' => '',
              )
            ),
          )
        );

        comment_form( $gutentype_comments_args );
        ?>
        </div>
      </div><!-- /.comments_form_wrap -->
      <?php
    }
    ?>
  </section><!-- /.comments_wrap -->
  <?php
}