/**
* Gets the items for the breadcrumb trail. This is the heart of the script. It checks the current page
* being viewed and decided based on the information provided by WordPress what items should be
* added to the breadcrumb trail.
*
* @since 0.4.0
* @todo Build in caching based on the queried object ID.
* @param array $args Mixed arguments for the menu.
* @return array List of items to be shown in the trail.
*/
function breadcrumb_trail_get_items($args = array())
{
global $wp_rewrite;
/* Get the textdomain. */
$textdomain = breadcrumb_trail_textdomain();
/* Set up an empty trail array and empty path. */
$trail = array();
$path = '';
/* If $show_home is set and we're not on the front page of the site, link to the home page. */
if (!is_front_page() && $args['show_home']) {
$trail[] = '<a href="' . home_url() . '" title="' . esc_attr(get_bloginfo('name')) . '" rel="home" class="trail-begin">' . $args['show_home'] . '</a>';
}
/* If viewing the front page of the site. */
if (is_front_page()) {
if ($args['show_home'] && $args['front_page']) {
$trail['trail_end'] = "{$args['show_home']}";
}
} elseif (is_home()) {
$home_page = get_page(get_queried_object_id());
$trail = array_merge($trail, breadcrumb_trail_get_parents($home_page->post_parent, ''));
$trail['trail_end'] = get_the_title($home_page->ID);
} elseif (is_singular()) {
/* Get singular post variables needed. */
$post = get_queried_object();
$post_id = absint(get_queried_object_id());
$post_type = $post->post_type;
$parent = absint($post->post_parent);
/* Get the post type object. */
$post_type_object = get_post_type_object($post_type);
/* If viewing a singular 'post'. */
if ('post' == $post_type) {
/* If $front has been set, add it to the $path. */
$path .= trailingslashit($wp_rewrite->front);
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* Map the permalink structure tags to actual links. */
$trail = array_merge($trail, breadcrumb_trail_map_rewrite_tags($post_id, get_option('permalink_structure'), $args));
} elseif ('attachment' == $post_type) {
/* If $front has been set, add it to the $path. */
$path .= trailingslashit($wp_rewrite->front);
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* Map the post (parent) permalink structure tags to actual links. */
$trail = array_merge($trail, breadcrumb_trail_map_rewrite_tags($post->post_parent, get_option('permalink_structure'), $args));
} elseif ('page' !== $post_type) {
/* If $front has been set, add it to the $path. */
if ($post_type_object->rewrite['with_front'] && $wp_rewrite->front) {
$path .= trailingslashit($wp_rewrite->front);
}
/* If there's a slug, add it to the $path. */
if (!empty($post_type_object->rewrite['slug'])) {
$path .= $post_type_object->rewrite['slug'];
}
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* If there's an archive page, add it to the trail. */
if (!empty($post_type_object->has_archive)) {
$trail[] = '<a href="' . get_post_type_archive_link($post_type) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . $post_type_object->labels->name . '</a>';
}
}
/* If the post type path returns nothing and there is a parent, get its parents. */
if (empty($path) && 0 !== $parent || 'attachment' == $post_type) {
$trail = array_merge($trail, breadcrumb_trail_get_parents($parent, ''));
} elseif (0 !== $parent && is_post_type_hierarchical($post_type)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents($parent, ''));
}
/* Display terms for specific post type taxonomy if requested. */
if (!empty($args["singular_{$post_type}_taxonomy"]) && ($terms = get_the_term_list($post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', ''))) {
$trail[] = $terms;
}
/* End with the post title. */
$post_title = get_the_title();
if (!empty($post_title)) {
$trail['trail_end'] = $post_title;
}
} elseif (is_archive()) {
/* If viewing a taxonomy term archive. */
if (is_tax() || is_category() || is_tag()) {
/* Get some taxonomy and term variables. */
$term = get_queried_object();
$taxonomy = get_taxonomy($term->taxonomy);
/* Get the path to the term archive. Use this to determine if a page is present with it. */
if (is_category()) {
$path = get_option('category_base');
} elseif (is_tag()) {
$path = get_option('tag_base');
} else {
if ($taxonomy->rewrite['with_front'] && $wp_rewrite->front) {
$path = trailingslashit($wp_rewrite->front);
}
$path .= $taxonomy->rewrite['slug'];
}
/* Get parent pages by path if they exist. */
if ($path) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* If the taxonomy is hierarchical, list its parent terms. */
if (is_taxonomy_hierarchical($term->taxonomy) && $term->parent) {
$trail = array_merge($trail, breadcrumb_trail_get_term_parents($term->parent, $term->taxonomy));
}
/* Add the term name to the trail end. */
$trail['trail_end'] = single_term_title('', false);
} elseif (is_post_type_archive()) {
/* Get the post type object. */
$post_type_object = get_post_type_object(get_query_var('post_type'));
/* If $front has been set, add it to the $path. */
if ($post_type_object->rewrite['with_front'] && $wp_rewrite->front) {
$path .= trailingslashit($wp_rewrite->front);
}
/* If there's a slug, add it to the $path. */
if (!empty($post_type_object->rewrite['slug'])) {
$path .= $post_type_object->rewrite['slug'];
}
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* Add the post type [plural] name to the trail end. */
$trail['trail_end'] = $post_type_object->labels->name;
} elseif (is_author()) {
/* If $front has been set, add it to $path. */
if (!empty($wp_rewrite->front)) {
$path .= trailingslashit($wp_rewrite->front);
}
/* If an $author_base exists, add it to $path. */
if (!empty($wp_rewrite->author_base)) {
$path .= $wp_rewrite->author_base;
}
/* If $path exists, check for parent pages. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* Add the author's display name to the trail end. */
$trail['trail_end'] = get_the_author_meta('display_name', get_query_var('author'));
} elseif (is_time()) {
if (get_query_var('minute') && get_query_var('hour')) {
$trail['trail_end'] = get_the_time(__('g:i a', $textdomain));
} elseif (get_query_var('minute')) {
$trail['trail_end'] = sprintf(__('Minute %1$s', $textdomain), get_the_time(__('i', $textdomain)));
} elseif (get_query_var('hour')) {
$trail['trail_end'] = get_the_time(__('g a', $textdomain));
}
} elseif (is_date()) {
/* If $front has been set, check for parent pages. */
if ($wp_rewrite->front) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $wp_rewrite->front));
}
if (is_day()) {
$trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', $textdomain)) . '">' . get_the_time(__('Y', $textdomain)) . '</a>';
$trail[] = '<a href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" title="' . get_the_time(esc_attr__('F', $textdomain)) . '">' . get_the_time(__('F', $textdomain)) . '</a>';
$trail['trail_end'] = get_the_time(__('d', $textdomain));
} elseif (get_query_var('w')) {
$trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', $textdomain)) . '">' . get_the_time(__('Y', $textdomain)) . '</a>';
$trail['trail_end'] = sprintf(__('Week %1$s', $textdomain), get_the_time(esc_attr__('W', $textdomain)));
} elseif (is_month()) {
$trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', $textdomain)) . '">' . get_the_time(__('Y', $textdomain)) . '</a>';
$trail['trail_end'] = get_the_time(__('F', $textdomain));
} elseif (is_year()) {
$trail['trail_end'] = get_the_time(__('Y', $textdomain));
}
}
} elseif (is_search()) {
$trail['trail_end'] = sprintf(__('Search results for "%1$s"', $textdomain), esc_attr(get_search_query()));
} elseif (is_404()) {
$trail['trail_end'] = __('404 Not Found', $textdomain);
}
/* Allow devs to step in and filter the $trail array. */
return apply_filters('breadcrumb_trail_items', $trail, $args);
}
/**
* Shows a breadcrumb for all types of pages. Themes and plugins can filter $args or
* input directly. Allow filtering of only the $args using get_the_breadcrumb_args.
*
* @since 0.1
* @param array $args Mixed arguments for the menu.
* @return string Output of the breadcrumb menu.
*/
function breadcrumb_trail( $args = array() ) {
global $wp_query, $wp_rewrite;
/* Get the textdomain. */
$textdomain = hybrid_get_textdomain();
/* Create an empty array for the trail. */
$trail = array();
/* Set up the default arguments for the breadcrumb. */
$defaults = array(
'separator' => '/',
'before' => '<span class="breadcrumb-title">' . __( 'Browse:', $textdomain ) . '</span>',
'after' => false,
'front_page' => true,
'show_home' => __( 'Home', $textdomain ),
'single_tax' => false, // @deprecated 0.3 Use singular_{$post_type}_taxonomy.
'echo' => true
);
/* Allow singular post views to have a taxonomy's terms prefixing the trail. */
if ( is_singular() )
$defaults["singular_{$wp_query->post->post_type}_taxonomy"] = false;
/* Apply filters to the arguments. */
$args = apply_filters( 'breadcrumb_trail_args', $args );
/* Parse the arguments and extract them for easy variable naming. */
extract( wp_parse_args( $args, $defaults ) );
/* For backwards compatibility, set $single_tax if it's explicitly given. */
if ( $single_tax )
$args['singular_post_taxonomy'] = $single_tax;
/* Format the separator. */
if ( $separator )
$separator = '<span class="sep">' . $separator . '</span>';
/* If $show_home is set and we're not on the front page of the site, link to the home page. */
if ( !is_front_page() && $show_home )
$trail[] = '<a href="' . home_url() . '" title="' . get_bloginfo( 'name' ) . '" rel="home" class="trail-begin">' . $show_home . '</a>';
/* If viewing the front page of the site. */
if ( is_front_page() ) {
if ( !$front_page )
$trail = false;
elseif ( $show_home )
$trail['trail_end'] = "{$show_home}";
}
/* If viewing the "home"/posts page. */
elseif ( is_home() ) {
$home_page = get_page( $wp_query->get_queried_object_id() );
$trail = array_merge( $trail, breadcrumb_trail_get_parents( $home_page->post_parent, '' ) );
$trail['trail_end'] = get_the_title( $home_page->ID );
}
/* If viewing a singular post (page, attachment, etc.). */
elseif ( is_singular() ) {
/* Get singular post variables needed. */
$post_id = absint( $wp_query->post->ID );
$post_type = $wp_query->post->post_type;
$parent = $wp_query->post->post_parent;
/* If a custom post type, check if there are any pages in its hierarchy based on the slug. */
if ( 'page' !== $post_type ) {
$post_type_object = get_post_type_object( $post_type );
/* If $front has been set, add it to the $path. */
if ( 'post' == $post_type || 'attachment' == $post_type || ( $post_type_object->rewrite['with_front'] && $wp_rewrite->front ) )
$path = trailingslashit( $wp_rewrite->front );
/* If there's a slug, add it to the $path. */
if ( !empty( $post_type_object->rewrite['slug'] ) )
$path .= $post_type_object->rewrite['slug'];
/* If there's a path, check for parents. */
if ( !empty( $path ) )
$trail = array_merge( $trail, breadcrumb_trail_get_parents( '', $path ) );
}
/* If the post type is hierarchical or is an attachment, get its parents. */
if ( is_post_type_hierarchical( $post_type ) || is_attachment() )
$trail = array_merge( $trail, breadcrumb_trail_get_parents( $parent, '' ) );
/* Display terms for specific post type taxonomy if requested. */
if ( $args["singular_{$post_type}_taxonomy"] && $terms = get_the_term_list( $post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', '' ) )
$trail[] = $terms;
/* End with the post title. */
$trail['trail_end'] = get_the_title();
}
/* If we're viewing any type of archive. */
elseif ( is_archive() ) {
/* If viewing a taxonomy term archive. */
if ( is_tax() || is_category() || is_tag() ) {
/* Get some taxonomy and term variables. */
$term = $wp_query->get_queried_object();
$taxonomy = get_taxonomy( $term->taxonomy );
/* Get the path to the term archive. Use this to determine if a page is present with it. */
if ( is_category() )
$path = get_option( 'category_base' );
elseif ( is_tag() )
$path = get_option( 'tag_base' );
else {
if ( $taxonomy->rewrite['with_front'] && $wp_rewrite->front )
$path = trailingslashit( $wp_rewrite->front );
$path .= $taxonomy->rewrite['slug'];
}
/* Get parent pages by path if they exist. */
if ( $path )
$trail = array_merge( $trail, breadcrumb_trail_get_parents( '', $path ) );
/* If the taxonomy is hierarchical, list its parent terms. */
if ( is_taxonomy_hierarchical( $term->taxonomy ) && $term->parent )
$trail = array_merge( $trail, breadcrumb_trail_get_term_parents( $term->parent, $term->taxonomy ) );
/* Add the term name to the trail end. */
$trail['trail_end'] = $term->name;
}
/* If viewing an author archive. */
elseif ( is_author() ) {
/* If $front has been set, add it to $path. */
if ( !empty( $wp_rewrite->front ) )
$path .= trailingslashit( $wp_rewrite->front );
/* If an $author_base exists, add it to $path. */
if ( !empty( $wp_rewrite->author_base ) )
$path .= $wp_rewrite->author_base;
/* If $path exists, check for parent pages. */
if ( !empty( $path ) )
$trail = array_merge( $trail, breadcrumb_trail_get_parents( '', $path ) );
/* Add the author's display name to the trail end. */
$trail['trail_end'] = get_the_author_meta( 'display_name', get_query_var( 'author' ) );
}
/* If viewing a time-based archive. */
elseif ( is_time() ) {
if ( get_query_var( 'minute' ) && get_query_var( 'hour' ) )
$trail['trail_end'] = get_the_time( __( 'g:i a', $textdomain ) );
elseif ( get_query_var( 'minute' ) )
$trail['trail_end'] = sprintf( __( 'Minute %1$s', $textdomain ), get_the_time( __( 'i', $textdomain ) ) );
elseif ( get_query_var( 'hour' ) )
$trail['trail_end'] = get_the_time( __( 'g a', $textdomain ) );
}
/* If viewing a date-based archive. */
elseif ( is_date() ) {
/* If $front has been set, check for parent pages. */
if ( $wp_rewrite->front )
$trail = array_merge( $trail, breadcrumb_trail_get_parents( '', $wp_rewrite->front ) );
if ( is_day() ) {
$trail[] = '<a href="' . get_year_link( get_the_time( __( 'Y', $textdomain ) ) ) . '" title="' . get_the_time( __( 'Y', $textdomain ) ) . '">' . get_the_time( __( 'Y', $textdomain ) ) . '</a>';
$trail[] = '<a href="' . get_month_link( get_the_time( __( 'Y', $textdomain ) ), get_the_time( __( 'm', $textdomain ) ) ) . '" title="' . get_the_time( __( 'F', $textdomain ) ) . '">' . get_the_time( __( 'F', $textdomain ) ) . '</a>';
$trail['trail_end'] = get_the_time( __( 'j', $textdomain ) );
}
elseif ( get_query_var( 'w' ) ) {
$trail[] = '<a href="' . get_year_link( get_the_time( __( 'Y', $textdomain ) ) ) . '" title="' . get_the_time( __( 'Y', $textdomain ) ) . '">' . get_the_time( __( 'Y', $textdomain ) ) . '</a>';
$trail['trail_end'] = sprintf( __( 'Week %1$s', 'hybrid' ), get_the_time( __( 'W', $textdomain ) ) );
}
elseif ( is_month() ) {
$trail[] = '<a href="' . get_year_link( get_the_time( __( 'Y', $textdomain ) ) ) . '" title="' . get_the_time( __( 'Y', $textdomain ) ) . '">' . get_the_time( __( 'Y', $textdomain ) ) . '</a>';
$trail['trail_end'] = get_the_time( __( 'F', $textdomain ) );
}
elseif ( is_year() ) {
$trail['trail_end'] = get_the_time( __( 'Y', $textdomain ) );
}
}
}
/* If viewing search results. */
elseif ( is_search() )
$trail['trail_end'] = sprintf( __( 'Search results for "%1$s"', $textdomain ), esc_attr( get_search_query() ) );
/* If viewing a 404 error page. */
elseif ( is_404() )
$trail['trail_end'] = __( '404 Not Found', $textdomain );
/* Connect the breadcrumb trail if there are items in the trail. */
if ( is_array( $trail ) ) {
$breadcrumb = '<div class="breadcrumb breadcrumbs"><div class="breadcrumb-trail">';
$breadcrumb .= " {$before} ";
$breadcrumb .= join( " {$separator} ", $trail );
$breadcrumb .= " {$after} ";
$breadcrumb .= '</div></div>';
}
$breadcrumb = apply_filters( 'breadcrumb_trail', $breadcrumb );
/* Output the breadcrumb. */
if ( $echo )
echo $breadcrumb;
else
return $breadcrumb;
}
/**
* Gets the items for the breadcrumb trail if bbPress is installed.
*
* @since 0.5.0
* @access private
* @param array $args Mixed arguments for the menu.
* @return array List of items to be shown in the trail.
*/
function breadcrumb_trail_get_bbpress_items($args = array())
{
/* Set up a new trail items array. */
$trail = array();
/* Get the forum post type object. */
$post_type_object = get_post_type_object(bbp_get_forum_post_type());
/* If not viewing the forum root/archive page and a forum archive exists, add it. */
if (!empty($post_type_object->has_archive) && !bbp_is_forum_archive()) {
$trail[] = '<a href="' . get_post_type_archive_link(bbp_get_forum_post_type()) . '">' . bbp_get_forum_archive_title() . '</a>';
}
/* If viewing the forum root/archive. */
if (bbp_is_forum_archive()) {
$trail[] = bbp_get_forum_archive_title();
} elseif (bbp_is_topic_archive()) {
$trail[] = bbp_get_topic_archive_title();
} elseif (bbp_is_topic_tag()) {
$trail[] = bbp_get_topic_tag_name();
} elseif (bbp_is_topic_tag_edit()) {
$trail[] = '<a href="' . bbp_get_topic_tag_link() . '">' . bbp_get_topic_tag_name() . '</a>';
$trail[] = __('Edit', 'breadcrumb-trail');
} elseif (bbp_is_single_view()) {
$trail[] = bbp_get_view_title();
} elseif (bbp_is_single_topic()) {
/* Get the queried topic. */
$topic_id = get_queried_object_id();
/* Get the parent items for the topic, which would be its forum (and possibly forum grandparents). */
$trail = array_merge($trail, breadcrumb_trail_get_parents(bbp_get_topic_forum_id($topic_id)));
/* If viewing a split, merge, or edit topic page, show the link back to the topic. Else, display topic title. */
if (bbp_is_topic_split() || bbp_is_topic_merge() || bbp_is_topic_edit()) {
$trail[] = '<a href="' . bbp_get_topic_permalink($topic_id) . '">' . bbp_get_topic_title($topic_id) . '</a>';
} else {
$trail[] = bbp_get_topic_title($topic_id);
}
/* If viewing a topic split page. */
if (bbp_is_topic_split()) {
$trail[] = __('Split', 'breadcrumb-trail');
} elseif (bbp_is_topic_merge()) {
$trail[] = __('Merge', 'breadcrumb-trail');
} elseif (bbp_is_topic_edit()) {
$trail[] = __('Edit', 'breadcrumb-trail');
}
} elseif (bbp_is_single_reply()) {
/* Get the queried reply object ID. */
$reply_id = get_queried_object_id();
/* Get the parent items for the reply, which should be its topic. */
$trail = array_merge($trail, breadcrumb_trail_get_parents(bbp_get_reply_topic_id($reply_id)));
/* If viewing a reply edit page, link back to the reply. Else, display the reply title. */
if (bbp_is_reply_edit()) {
$trail[] = '<a href="' . bbp_get_reply_url($reply_id) . '">' . bbp_get_reply_title($reply_id) . '</a>';
$trail[] = __('Edit', 'breadcrumb-trail');
} else {
$trail[] = bbp_get_reply_title($reply_id);
}
} elseif (bbp_is_single_forum()) {
/* Get the queried forum ID and its parent forum ID. */
$forum_id = get_queried_object_id();
$forum_parent_id = bbp_get_forum_parent_id($forum_id);
/* If the forum has a parent forum, get its parent(s). */
if (0 !== $forum_parent_id) {
$trail = array_merge($trail, breadcrumb_trail_get_parents($forum_parent_id));
}
/* Add the forum title to the end of the trail. */
$trail[] = bbp_get_forum_title($forum_id);
} elseif (bbp_is_single_user() || bbp_is_single_user_edit()) {
if (bbp_is_single_user_edit()) {
$trail[] = '<a href="' . bbp_get_user_profile_url() . '">' . bbp_get_displayed_user_field('display_name') . '</a>';
$trail[] = __('Edit', 'breadcrumb-trail');
} else {
$trail[] = bbp_get_displayed_user_field('display_name');
}
}
/* Return the bbPress breadcrumb trail items. */
return apply_filters('breadcrumb_trail_get_bbpress_items', $trail, $args);
}
function nice_breadcrumbs($args = array())
{
global $wp_rewrite;
$defaults = apply_filters('nice_breadcrumbs_default_args', array('separator' => '/', 'before' => '', 'after' => false, 'front_page' => true, 'show_home' => __('Home', 'nicethemes'), 'echo' => true));
if (is_singular()) {
$post = get_queried_object();
$defaults["singular_{$post->post_type}_taxonomy"] = false;
}
$args = wp_parse_args($args, $defaults);
$args = apply_filters('nice_breadcrumbs_args', $args);
do_action('nice_breadcrumbs_before', $args);
$trail = array();
$path = '';
if (!is_front_page() && $args['show_home']) {
$trail[] = '<a href="' . home_url() . '" title="' . esc_attr(get_bloginfo('name')) . '" rel="home" class="trail-begin">' . $args['show_home'] . '</a>';
}
if (is_singular()) {
$post = get_queried_object();
$post_id = absint(get_queried_object_id());
$post_type = $post->post_type;
$parent = absint($post->post_parent);
$post_type_object = get_post_type_object($post_type);
if ($post_type == 'post') {
/* If $front has been set, add it to the $path. */
$path .= trailingslashit($wp_rewrite->front);
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* Map the permalink structure tags to actual links. */
//$trail = array_merge( $trail, breadcrumb_trail_map_rewrite_tags( $post_id, get_option( 'permalink_structure' ), $args ) );
} elseif ('page' !== $post_type) {
/* If $front has been set, add it to the $path. */
if ($post_type_object->rewrite['with_front'] && $wp_rewrite->front) {
$path .= trailingslashit($wp_rewrite->front);
}
/* If there's a slug, add it to the $path. */
if (!empty($post_type_object->rewrite['slug'])) {
$path .= $post_type_object->rewrite['slug'];
}
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents('', $path));
}
/* If there's an archive page, add it to the trail. */
if (!empty($post_type_object->has_archive)) {
$trail[] = '<a href="' . get_post_type_archive_link($post_type) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . $post_type_object->labels->name . '</a>';
}
}
/* If the post type path returns nothing and there is a parent, get its parents. */
if (empty($path) && 0 !== $parent || 'attachment' == $post_type) {
$trail = array_merge($trail, breadcrumb_trail_get_parents($parent, ''));
} elseif (0 !== $parent && is_post_type_hierarchical($post_type)) {
$trail = array_merge($trail, breadcrumb_trail_get_parents($parent, ''));
}
/* Display terms for specific post type taxonomy if requested. */
if (!empty($args["singular_{$post_type}_taxonomy"]) && ($terms = get_the_term_list($post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', ''))) {
$trail[] = $terms;
}
/* End with the post title. */
$post_title = get_the_title();
if (!empty($post_title)) {
$trail['trail_end'] = $post_title;
}
}
if (!empty($trail) && is_array($trail)) {
/* Open the breadcrumb trail containers. */
$nice_breadcrumbs = '<div class="breadcrumb breadcrumbs nice-breadcrumb"><div class="breadcrumb-trail">';
/* If $before was set, wrap it in a container. */
$nice_breadcrumbs .= !empty($args['before']) ? '<span class="trail-before">' . $args['before'] . '</span> ' : '';
/* Wrap the $trail['trail_end'] value in a container. */
if (!empty($trail['trail_end'])) {
$trail['trail_end'] = '<span class="trail-end">' . $trail['trail_end'] . '</span>';
}
/* Format the separator. */
$separator = !empty($args['separator']) ? '<span class="sep">' . $args['separator'] . '</span>' : '<span class="sep">/</span>';
/* Join the individual trail items into a single string. */
$nice_breadcrumbs .= join(" {$separator} ", $trail);
/* If $after was set, wrap it in a container. */
$nice_breadcrumbs .= !empty($args['after']) ? ' <span class="trail-after">' . $args['after'] . '</span>' : '';
/* Close the breadcrumb trail containers. */
$nice_breadcrumbs .= '</div></div>';
}
/* Allow developers to filter the breadcrumb trail HTML. */
$nice_breadcrumbs = apply_filters('breadcrumb_trail', $nice_breadcrumbs, $args);
/* Output the breadcrumb. */
if ($args['echo']) {
echo $nice_breadcrumbs;
} else {
return $nice_breadcrumbs;
}
}