function genesis_canonical_url() {

  global $wp_query;

  $canonical = '';

  $paged = (int) get_query_var( 'paged' );
  $page  = (int) get_query_var( 'page' );

  if ( is_front_page() ) {
    if ( $paged ) {
      $canonical = get_pagenum_link( $paged );
    } else {
      $canonical = trailingslashit( home_url() );
    }
  }

  if ( is_singular() ) {
    $numpages = substr_count( $wp_query->post->post_content, '<!--nextpage-->' ) + 1;
    $id       = $wp_query->get_queried_object_id();

    if ( ! $id ) {
      return null;
    }

    $cf = genesis_get_custom_field( '_genesis_canonical_uri' );

    if ( $cf ) {
      $canonical = $cf;
    } elseif ( $numpages > 1 && $page > 1 ) {
      $canonical = genesis_paged_post_url( $page, $id );
    } else {
      $canonical = get_permalink( $id );
    }
  }

  if ( is_category() || is_tag() || is_tax() ) {
    $id = $wp_query->get_queried_object_id();

    if ( ! $id ) {
      return null;
    }

    $taxonomy = $wp_query->queried_object->taxonomy;

    $canonical = $paged ? get_pagenum_link( $paged ) : get_term_link( (int) $id, $taxonomy );
  }

  if ( is_author() ) {
    $id = $wp_query->get_queried_object_id();

    if ( ! $id ) {
      return null;
    }

    $canonical = $paged ? get_pagenum_link( $paged ) : get_author_posts_url( $id );
  }

  if ( is_search() ) {
    $canonical = get_search_link();
  }

  return apply_filters( 'genesis_canonical_url', $canonical );

}