/**
* Output rel links in the head to indicate previous and next pages in paginated archives and posts.
*
* @link http://googlewebmastercentral.blogspot.com/2011/09/pagination-with-relnext-and-relprev.html
*
* @since 2.2.0
*/
function genesis_paged_rel()
{
global $wp_query;
$prev = $next = '';
$paged = intval(get_query_var('paged'));
$page = intval(get_query_var('page'));
if (!is_singular()) {
$prev = $paged > 1 ? get_previous_posts_page_link() : $prev;
$next = $paged < $wp_query->max_num_pages ? get_next_posts_page_link($wp_query->max_num_pages) : $next;
} else {
//* No need for this on previews
if (is_preview()) {
return '';
}
$numpages = substr_count($wp_query->post->post_content, '<!--nextpage-->') + 1;
if ($numpages && !$page) {
$page = 1;
}
if ($page > 1) {
$prev = genesis_paged_post_url($page - 1);
}
if ($page < $numpages) {
$next = genesis_paged_post_url($page + 1);
}
}
if ($prev) {
printf('<link rel="prev" href="%s" />' . "\n", esc_url($prev));
}
if ($next) {
printf('<link rel="next" href="%s" />' . "\n", esc_url($next));
}
}
/**
* Calculate and return the canonical URL.
*
* @since 2.2.0
*
* @return string The canonical URL, if one exists.
*/
function genesis_canonical_url()
{
global $wp_query;
$canonical = '';
$paged = intval(get_query_var('paged'));
$page = intval(get_query_var('page'));
if (is_front_page()) {
if ($paged) {
$canonical = get_pagenum_link($paged);
} else {
$canonical = trailingslashit(home_url());
}
}
if (is_singular()) {
$numpages = substr_count($wp_query->post->post_content, '<!--nextpage-->') + 1;
if (!($id = $wp_query->get_queried_object_id())) {
return;
}
$cf = genesis_get_custom_field('_genesis_canonical_uri');
if ($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()) {
if (!($id = $wp_query->get_queried_object_id())) {
return;
}
$taxonomy = $wp_query->queried_object->taxonomy;
$canonical = $paged ? get_pagenum_link($paged) : get_term_link((int) $id, $taxonomy);
}
if (is_author()) {
if (!($id = $wp_query->get_queried_object_id())) {
return;
}
$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);
}
