wordpress面包屑导航

<?php if(function_exists('cmp_breadcrumbs')) cmp_breadcrumbs();?>

function cmp_breadcrumbs() {
   $delimiter = '<code>&gt;</code>'; // 分隔符
   $before = '<span>'; // 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 '<span class="h1">'.__( '当前位置：' , 'cmp' );
      global $post;
      $homeLink = home_url();
      //$homebt = single_cat_title();
      echo '</span><a href="' . $homeLink . '">' .__( '首页' , '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', $cat_code );
         }
         echo $before . '<strong>' . single_cat_title('', false) . '</strong>' . $after;
      } elseif ( is_day() ) { // 天 存档
         echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . '';
         echo '<a 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 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 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', $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 = $cat[0];
         echo '<a href="' . get_permalink($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);
            $breadcrumbs[] = '<a href="' . get_permalink($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( __( '(第 %s 页)', 'cmp' ), get_query_var('paged') );
      }
      echo '';
   }
}

//边栏
function yaoshunyu_slug_widgets_init() {
   register_sidebar( array(
      'name' => '第一个',
      'id' => 'sidebar-1',
      'description' => '分类侧边栏.',
      'before_widget' => '<li id="%1$s" class="widget %2$s">',
      'after_widget'  => '</li>',
      'before_title'  => '<h2 class="widgettitle">',
      'after_title'   => '</h2>',
   ) );
   register_sidebar( array(
      'name' => '分类友情链接',
      'id' => 'catelink',
      'description' => '分类友情链接',
      'before_widget' => '<div id="catelink" class="catelinks">',
      'after_widget'  => '</div>',
      'before_title'  => '<strong class="catelinktitle">',
      'after_title'   => '</strong>',
   ) );
}
add_action( 'widgets_init', 'yaoshunyu_slug_widgets_init' );

<?php if ( is_active_sidebar( 'catelink' )  ) : ?>
   <?php dynamic_sidebar( 'catelink' ); ?>
<?php endif; ?>