';
foreach ($list as $text => $item) {
$html .= '';
// List of categories with links
if (is_array($item)) {
$html .= implode(', ', $item);
} else {
// Item without a link
if (is_null($item)) {
$html .= $text;
} else {
$html .= '' . $text . '';
}
}
$html .= '';
}
$html .= '';
return $html;
}
/**
* Generates an array for breadcrumb trails
*
* @return array Items of the breadcrumb, in the form title => url|null
*/
static protected function generateBreadcrumbList() {
// Recursive category path function
$category_path = function($category) use (&$category_path) {
$category_obj = get_category($category);
$parent = $category_obj->category_parent;
if (! $parent) {
return [get_the_category_by_ID($category) => get_category_link($category)];
}
return array_merge($category_path($parent), [get_the_category_by_ID($category) => get_category_link($category)]);
};
// Init
$list = [];
// Website index
//$list[__('Home', 'ltk-foundation')] = home_url();
$list[''] = home_url();
// Posts page, if configured
$settings = wp_load_alloptions();
$page_for_posts = get_option('page_for_posts');
if ($settings['show_on_front'] == 'page' && $page_for_posts && ! is_page()) {
$list[get_the_title($settings['page_for_posts'])] = get_page_link($settings['page_for_posts']);
}
// Search page & search term
if (is_search()) {
$list[__('Search', 'ltk-foundation')] = null;
$search = get_search_query();
if (! empty($search)) {
$list[$search] = null;
}
return $list;
}
// Error 404
if (is_404()) {
$list[__('Error 404', 'ltk-foundation')] = null;
return $list;
}
// Author page
if (is_author()) {
$author = get_the_author();
$list[$author] = home_url() . '/author/' . $author;
return $list;
}
// Tag page
if (is_tag()) {
$tag = get_term_by('name', single_tag_title('', false), 'post_tag');
$list[single_tag_title('', false)] = get_tag_link($tag->term_id);
return $list;
}
// Category
if (is_category()) {
return array_merge($list, $category_path(get_query_var('cat')));
}
// Page
if (is_page()) {
$list[get_the_title()] = null;
return $list;
}
// Single post
if (is_single()) {
$post_categories = get_the_category();
// Single category = recursive search for parents
if (count($post_categories) == 1) {
$the_category = array_shift($post_categories);
$list = array_merge($list, $category_path($the_category->cat_ID));
} else {
$_list = [];
foreach ($post_categories as $category) {
$_list[] = '' . $category->cat_name . '';
}
$list[] = $_list;
}
$list[get_the_title(get_the_id())] = null;
return $list;
}
// Archive page
if (is_archive()) {
$year = get_query_var('year');
if ($year) {
$list[$year] = get_year_link($year);
$month = get_query_var('monthnum');
if ($month) {
$list[ucwords(date_i18n('F', strtotime("$year-$month-01")))] = get_month_link($year, $month);
$day = get_query_var('day');
if ($day) {
$list[date_i18n('d', strtotime("$year-$month-$day"))] = get_day_link($year, $monthnum, $day);
}
}
}
return $list;
}
}
}