php 此功能添加了面包屑
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/*
* This function adds breadcrumbs
*/
custom_breadcrumbs($separator, $breadcrums_id, $breadcrums_class, $home_title, $custom_taxonomy, $search);
function custom_breadcrumbs($separator, $breadcrums_id, $breadcrums_class, $home_title, $custom_taxonomy, $search = NULL) {
// Settings
// $separator = '>';
// $breadcrums_id = 'breadcrumbs';
// $breadcrums_class = 'breadcrumbs';
// $home_title = 'Home';
$post_type = get_post_type();
// If you have any custom post types with custom taxonomies, put the taxonomy name below (e.g. product_cat)
// Get the query & post information
global $post, $wp_query;
// Do not display on the homepage
if (!is_front_page()) {
// Build the breadcrums
echo '<ul id="' . $breadcrums_id . '" class="' . $breadcrums_class . '">';
// Home page
echo '<li class="item-home"><a class="bread-link bread-home" href="' . get_home_url() . '" title="' . $home_title . '">' . $home_title . '</a></li>';
echo '<li class="separator separator-home"> ' . $separator . ' </li>';
if (is_archive() && !is_tax() && !is_category() && !is_tag()) {
echo '<li class="item-current item-archive"><strong class="bread-current bread-archive">' . post_type_archive_title($prefix, false) . '</strong></li>';
} else if (is_archive() && is_tax() && !is_category() && !is_tag()) {
// If post is a custom post type
$post_type = get_post_type();
// If it is a custom post type display name and link
if ($post_type != 'post') {
$post_type_object = get_post_type_object($post_type);
$post_type_archive = get_post_type_archive_link($post_type);
echo '<li class="item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . $post_type_archive . '" title="' . $post_type_object->labels->name . '">' . $post_type_object->labels->name . '</a></li>';
echo '<li class="separator"> ' . $separator . ' </li>';
}
$custom_tax_name = get_queried_object()->name;
echo '<li class="item-current item-archive"><strong class="bread-current bread-archive">' . $custom_tax_name . '</strong></li>';
} else if (is_single()) {
// If post is a custom post type
// If it is a custom post type display name and link
if ($post_type == "post") {
$post_type_object = get_post_type_object($post_type);
$post_type_archive = get_post_type_archive_link($post_type);
echo '<li class="item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . $post_type_archive . '" title="' . $post_type_object->labels->name . '">' . $post_type_object->labels->name . '</a></li>';
echo '<li class="separator"> ' . $separator . ' </li>';
} else if ($post_type != 'post') {
$post_type_object = get_post_type_object($post_type);
$post_type_archive = get_post_type_archive_link($post_type);
echo '<li class="item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . $post_type_archive . '" title="' . $post_type_object->labels->name . '">' . $post_type_object->labels->name . '</a></li>';
echo '<li class="separator"> ' . $separator . ' </li>';
}
// Get post category info
$category = get_the_category();
if (!empty($category)) {
// Get last category post is in
$last_category = end(array_values($category));
// Get parent any categories and create array
$get_cat_parents = rtrim(get_category_parents($last_category->term_id, true, ','), ',');
$cat_parents = explode(',', $get_cat_parents);
// Loop through parent categories and store in variable $cat_display
$cat_display = '';
foreach ($cat_parents as $parents) {
$cat_display .= '<li class="item-cat">' . $parents . '</li>';
// $cat_display .= '<li class="separator"> ' . $separator . ' </li>';
}
}
// If it's a custom post type within a custom taxonomy
$taxonomy_exists = taxonomy_exists($custom_taxonomy);
if (empty($last_category) && !empty($custom_taxonomy) && $taxonomy_exists) {
$taxonomy_terms = get_the_terms($post->ID, $custom_taxonomy);
$cat_id = $taxonomy_terms[0]->term_id;
$cat_nicename = $taxonomy_terms[0]->slug;
$cat_link = get_term_link($taxonomy_terms[0]->term_id, $custom_taxonomy);
$cat_name = $taxonomy_terms[0]->name;
}
// Check if the post is in a category
if (!empty($last_category)) {
echo $cat_display;
echo '<li class="item-current item-' . $post->ID . '"><strong class="bread-current bread-' . $post->ID . '" title="' . get_the_title() . '">' . get_the_title() . '</strong></li>';
// Else if post is in a custom taxonomy
} else if (!empty($cat_id)) {
echo '<li class="item-cat item-cat-' . $cat_id . ' item-cat-' . $cat_nicename . '"><a class="bread-cat bread-cat-' . $cat_id . ' bread-cat-' . $cat_nicename . '" href="' . $cat_link . '" title="' . $cat_name . '">' . $cat_name . '</a></li>';
// echo '<li class="separator"> ' . $separator . ' </li>';
echo '<li class="item-current item-' . $post->ID . '"><strong class="bread-current bread-' . $post->ID . '" title="' . get_the_title() . '">' . get_the_title() . '</strong></li>';
} else {
echo '<li class="item-current item-' . $post->ID . '"><strong class="bread-current bread-' . $post->ID . '" title="' . get_the_title() . '">' . get_the_title() . '</strong></li>';
}
} else if (is_category()) {
// Category page
echo '<li class="item-current item-cat"><strong class="bread-current bread-cat">' . single_cat_title('', false) . '</strong></li>';
} else if (is_page()) {
// Standard page
if ($post->post_parent) {
// If child page, get parents
$anc = get_post_ancestors($post->ID);
// Get parents in the right order
$anc = array_reverse($anc);
// Parent page loop
foreach ($anc as $ancestor) {
$parents .= '<li class="item-parent item-parent-' . $ancestor . '"><a class="bread-parent bread-parent-' . $ancestor . '" href="' . get_permalink($ancestor) . '" title="' . get_the_title($ancestor) . '">' . get_the_title($ancestor) . '</a></li>';
$parents .= '<li class="separator separator-' . $ancestor . '"> ' . $separator . ' </li>';
}
// Display parent pages
echo $parents;
// Current page
echo '<li class="item-current item-' . $post->ID . '"><strong title="' . get_the_title() . '"> ' . get_the_title() . '</strong></li>';
} else {
// Just display current page if not parents
echo '<li class="item-current item-' . $post->ID . '"><strong class="bread-current bread-' . $post->ID . '"> ' . get_the_title() . '</strong></li>';
}
} else if (is_tag()) {
// Tag page
// Get tag information
$term_id = get_query_var('tag_id');
$taxonomy = 'post_tag';
$args = 'include=' . $term_id;
$terms = get_terms($taxonomy, $args);
$get_term_id = $terms[0]->term_id;
$get_term_slug = $terms[0]->slug;
$get_term_name = $terms[0]->name;
// Display the tag name
echo '<li class="item-current item-tag-' . $get_term_id . ' item-tag-' . $get_term_slug . '"><strong class="bread-current bread-tag-' . $get_term_id . ' bread-tag-' . $get_term_slug . '">' . $get_term_name . '</strong></li>';
} elseif (is_day()) {
// Day archive
// Year link
echo '<li class="item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . ' Archives</a></li>';
echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . $separator . ' </li>';
// Month link
echo '<li class="item-month item-month-' . get_the_time('m') . '"><a class="bread-month bread-month-' . get_the_time('m') . '" href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" title="' . get_the_time('M') . '">' . get_the_time('M') . ' Archives</a></li>';
echo '<li class="separator separator-' . get_the_time('m') . '"> ' . $separator . ' </li>';
// Day display
echo '<li class="item-current item-' . get_the_time('j') . '"><strong class="bread-current bread-' . get_the_time('j') . '"> ' . get_the_time('jS') . ' ' . get_the_time('M') . ' Archives</strong></li>';
} else if (is_month()) {
// Month Archive
// Year link
echo '<li class="item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . ' Archives</a></li>';
echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . $separator . ' </li>';
// Month display
echo '<li class="item-month item-month-' . get_the_time('m') . '"><strong class="bread-month bread-month-' . get_the_time('m') . '" title="' . get_the_time('M') . '">' . get_the_time('M') . ' Archives</strong></li>';
} else if (is_year()) {
// Display year archive
echo '<li class="item-current item-current-' . get_the_time('Y') . '"><strong class="bread-current bread-current-' . get_the_time('Y') . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . ' Archives</strong></li>';
} else if (is_author()) {
// Auhor archive
// Get the author information
global $author;
$userdata = get_userdata($author);
// Display author name
echo '<li class="item-current item-current-' . $userdata->user_nicename . '"><strong class="bread-current bread-current-' . $userdata->user_nicename . '" title="' . $userdata->display_name . '">' . 'Author: ' . $userdata->display_name . '</strong></li>';
} else if (get_query_var('paged')) {
// Paginated archives
echo '<li class="item-current item-current-' . get_query_var('paged') . '"><strong class="bread-current bread-current-' . get_query_var('paged') . '" title="Page ' . get_query_var('paged') . '">' . __('Page') . ' ' . get_query_var('paged') . '</strong></li>';
} else if (is_search()) {
// Search results page
echo '<li class="item-current item-current-' . get_search_query() . '"><strong class="bread-current bread-current-' . get_search_query() . '" title="Search results for: ' . get_search_query() . '">Search results for: ' . get_search_query() . '</strong></li>';
} elseif (is_404()) {
// 404 page
echo '<li>' . 'Error 404' . '</li>';
}
if ($search != '') {
$inverted = "'";
echo '<li class="separator separator-home"> ' . $separator . ' </li>';
echo '<li class=""><b> ' . $inverted . $search . $inverted . ' </b></li>';
}
echo '</ul>';
}
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