Remove trackbacks e pingbacks do contador do comentários

functions-remove-track-ping-comentarios.php

<?php

add_filter('get_comment_number', 'comment_count', 0);
function comment_count( $count ) {
  if ( ! is_admin() ) {
    global $id;
    $comments_by_type = &separate_comments(get_comments('status=approve&post_id=' . $id));
    return count($comments_by_type['comment']);
  } else {
    return $count;
  }
}