如何调用当前信息栏目链接

怎么调用当时信息栏目链接，咱们能够运用这段代码：

$categories=get_the_category();
echo'<ul>';
echo'<li>ParentCategory:';
foreach($categoriesas$category){
if($category->parent!=0){
$parent_category=get_term($category->parent);
echo'<ahref="'.esc_url(get_category_link($parent_category->term_id)).'">'.esc_html($parent_category->name).'</a>';
break;
}
}
echo'</li>';
echo'<li>Subcategory:';
foreach($categoriesas$category){
if($category->parent!=0){
echo'<ahref="'.esc_url(get_category_link($category->term_id)).'">'.esc_html($category->name).'</a>';
}
}
echo'</li></ul>';