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/*** WordPress 添加面包屑导航 * http://www.wpdaxue.com/wordpress-add-a-breadcrumb.html*/
function cmp_breadcrumbs() {
$delimiter = '?'; // 分隔符$before = '<span class="current">'; // 在当前链接前插入$after = '</span>'; // 在当前链接后插入if ( !is_home() && !is_front_page() || is_paged() ) {
echo '<div itemscope itemtype="http://schema.org/WebPage" id="crumbs">'.__( 'You are here:' , 'cmp' );global $post;$homeLink = home_url();echo ' <a itemprop="breadcrumb" href="' . $homeLink . '">' . __( 'Home' , 'cmp' ) . '</a> ' . $delimiter . ' ';if ( is_category() ) {
// 分类 存档global $wp_query;$cat_obj = $wp_query->get_queried_object();$thisCat = $cat_obj->term_id;$thisCat = get_category($thisCat);$parentCat = get_category($thisCat->parent);if ($thisCat->parent != 0){
$cat_code = get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' ');echo $cat_code = str_replace ('<a','<a itemprop="breadcrumb"', $cat_code );}echo $before . '' . single_cat_title('', false) . '' . $after;} elseif ( is_day() ) {
// 天 存档echo '<a itemprop="breadcrumb" href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';echo '<a itemprop="breadcrumb" href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';echo $before . get_the_time('d') . $after;} elseif ( is_month() ) {
// 月 存档echo '<a itemprop="breadcrumb" href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';echo $before . get_the_time('F') . $after;} elseif ( is_year() ) {
// 年 存档echo $before . get_the_time('Y') . $after;} elseif ( is_single() && !is_attachment() ) {
// 文章if ( get_post_type() != 'post' ) {
// 自定义文章类型$post_type = get_post_type_object(get_post_type());$slug = $post_type->rewrite;echo '<a itemprop="breadcrumb" href="' . $homeLink . '/' . $slug['slug'] . '/">' . $post_type->labels->singular_name . '</a> ' . $delimiter . ' ';echo $before . get_the_title() . $after;} else {
// 文章 post$cat = get_the_category(); $cat = $cat[0];$cat_code = get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');echo $cat_code = str_replace ('<a','<a itemprop="breadcrumb"', $cat_code );echo $before . get_the_title() . $after;}} elseif ( !is_single() && !is_page() && get_post_type() != 'post' ) {
$post_type = get_post_type_object(get_post_type());echo $before . $post_type->labels->singular_name . $after;} elseif ( is_attachment() ) {
// 附件$parent = get_post($post->post_parent);$cat = get_the_category($parent->ID); $cat = $cat[0];echo '<a itemprop="breadcrumb" href="' . get_permalink($parent) . '">' . $parent->post_title . '</a> ' . $delimiter . ' ';echo $before . get_the_title() . $after;} elseif ( is_page() && !$post->post_parent ) {
// 页面echo $before . get_the_title() . $after;} elseif ( is_page() && $post->post_parent ) {
// 父级页面$parent_id = $post->post_parent;$breadcrumbs = array();while ($parent_id) {
$page = get_page($parent_id);$breadcrumbs[] = '<a itemprop="breadcrumb" href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';$parent_id = $page->post_parent;}$breadcrumbs = array_reverse($breadcrumbs);foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';echo $before . get_the_title() . $after;} elseif ( is_search() ) {
// 搜索结果echo $before ;printf( __( 'Search Results for: %s', 'cmp' ), get_search_query() );echo $after;} elseif ( is_tag() ) {
//标签 存档echo $before ;printf( __( 'Tag Archives: %s', 'cmp' ), single_tag_title( '', false ) );echo $after;} elseif ( is_author() ) {
// 作者存档global $author;$userdata = get_userdata($author);echo $before ;printf( __( 'Author Archives: %s', 'cmp' ), $userdata->display_name );echo $after;} elseif ( is_404() ) {
// 404 页面echo $before;_e( 'Not Found', 'cmp' );echo $after;}if ( get_query_var('paged') ) {
// 分页if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() )echo sprintf( __( '( Page %s )', 'cmp' ), get_query_var('paged') );}echo '</div>';}
}
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