function avia_modify_breadcrumb($trail)
{
$parent = get_post_meta(avia_get_the_ID(), 'breadcrumb_parent', true);
if (get_post_type() === "portfolio") {
$page = "";
$front = avia_get_option('frontpage');
if (empty($parent) && !current_theme_supports('avia_no_session_support') && session_id() && !empty($_SESSION['avia_portfolio'])) {
$page = $_SESSION['avia_portfolio'];
} else {
$page = $parent;
}
if (!$page || $page == $front) {
$args = array('post_type' => 'page', 'meta_query' => array(array('key' => '_avia_builder_shortcode_tree', 'value' => 'av_portfolio', 'compare' => 'LIKE')));
$query = new WP_Query($args);
if ($query->post_count == 1) {
$page = $query->posts[0]->ID;
} else {
if ($query->post_count > 1) {
foreach ($query->posts as $entry) {
if ($front != $entry->ID) {
$page = $entry->ID;
break;
}
}
}
}
}
if ($page) {
if ($page == $front) {
$newtrail[0] = $trail[0];
$newtrail['trail_end'] = $trail['trail_end'];
$trail = $newtrail;
} else {
$newtrail = avia_breadcrumbs_get_parents($page, '');
array_unshift($newtrail, $trail[0]);
$newtrail['trail_end'] = $trail['trail_end'];
$trail = $newtrail;
}
}
} else {
if (get_post_type() === "post" && (is_category() || is_archive() || is_tag())) {
$front = avia_get_option('frontpage');
$blog = !empty($parent) ? $parent : avia_get_option('blogpage');
if ($front && $blog && $front != $blog) {
$blog = '<a href="' . get_permalink($blog) . '" title="' . esc_attr(get_the_title($blog)) . '">' . get_the_title($blog) . '</a>';
array_splice($trail, 1, 0, array($blog));
}
} else {
if (get_post_type() === "post") {
$front = avia_get_option('frontpage');
$blog = avia_get_option('blogpage');
$custom_blog = avia_get_option('blog_style') === 'custom' ? true : false;
if (!$custom_blog) {
if ($blog == $front) {
unset($trail[1]);
}
} else {
if ($blog != $front) {
$blog = '<a href="' . get_permalink($blog) . '" title="' . esc_attr(get_the_title($blog)) . '">' . get_the_title($blog) . '</a>';
array_splice($trail, 1, 0, array($blog));
}
}
}
}
}
return $trail;
}
function avia_woocommerce_breadcrumb($trail)
{
global $avia_config;
if (is_woocommerce()) {
$home = $trail[0];
$last = array_pop($trail);
$shop_id = woocommerce_get_page_id('shop');
$taxonomy = "product_cat";
// on the shop frontpage simply display the shop name, rather than shop name + "All Products"
if (is_shop()) {
if (!empty($shop_id) && $shop_id != -1) {
$trail = array_merge($trail, avia_breadcrumbs_get_parents($shop_id));
}
$last = "";
if (is_search()) {
$last = __('Search results for:', 'avia_framework') . ' ' . esc_attr($_GET['s']);
}
}
// on the product page single page modify the breadcrumb to read [home] [if available:parent shop pages] [shop] [if available:parent categories] [category] [title]
if (is_product()) {
//fetch all product categories and search for the ones with parents. if none are avalaible use the first category found
$product_category = $parent_cat = array();
$temp_cats = get_the_terms(get_the_ID(), $taxonomy);
if (!empty($temp_cats)) {
foreach ($temp_cats as $key => $cat) {
if ($cat->parent != 0 && !in_array($cat->term_taxonomy_id, $parent_cat)) {
$product_category[] = $cat;
$parent_cat[] = $cat->parent;
}
}
//if no categories with parents use the first one
if (empty($product_category)) {
$product_category[] = reset($temp_cats);
}
}
//unset the trail and build our own
unset($trail);
$trail[0] = $home;
if (!empty($shop_id) && $shop_id != -1) {
$trail = array_merge($trail, avia_breadcrumbs_get_parents($shop_id));
}
if (!empty($parent_cat)) {
$trail = array_merge($trail, avia_breadcrumbs_get_term_parents($parent_cat[0], $taxonomy));
}
if (!empty($product_category)) {
$trail[] = '<a href="' . get_term_link($product_category[0]->slug, $taxonomy) . '" title="' . esc_attr($product_category[0]->name) . '">' . $product_category[0]->name . '</a>';
}
}
// add the [shop] trail to category/tag pages: [home] [if available:parent shop pages] [shop] [if available:parent categories] [category/tag]
if (is_product_category() || is_product_tag()) {
if (!empty($shop_id) && $shop_id != -1) {
$shop_trail = avia_breadcrumbs_get_parents($shop_id);
array_splice($trail, 1, 0, $shop_trail);
}
}
if (is_product_tag()) {
$last = __("Tag", 'avia_framework') . ": " . $last;
}
if (!empty($last)) {
$trail[] = $last;
}
}
return $trail;
}
/**
* The code below is an inspired/modified version by woothemes breadcrumb function which in turn is inspired by Justin Tadlock's Hybrid Core :)
*/
function avia_breadcrumbs($args = array())
{
global $wp_query, $wp_rewrite;
/* Create an empty variable for the breadcrumb. */
$breadcrumb = '';
/* Create an empty array for the trail. */
$trail = array();
$path = '';
/* Set up the default arguments for the breadcrumb. */
$defaults = array('separator' => '»', 'before' => '<span class="breadcrumb-title">' . __('You are here:', 'avia_framework') . '</span>', 'after' => false, 'front_page' => true, 'show_home' => __('Home', 'avia_framework'), 'echo' => false, 'show_categories' => true, 'show_posts_page' => true, 'truncate' => 70, 'richsnippet' => false);
/* 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('avia_breadcrumbs_args', $args);
/* Parse the arguments and extract them for easy variable naming. */
extract(wp_parse_args($args, $defaults));
/* 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="' . esc_attr(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}";
}
} elseif (is_home()) {
$home_page = get_page($wp_query->get_queried_object_id());
$trail = array_merge($trail, avia_breadcrumbs_get_parents($home_page->post_parent, ''));
$trail['trail_end'] = get_the_title($home_page->ID);
} elseif (is_singular()) {
/* Get singular post variables needed. */
$post = $wp_query->get_queried_object();
$post_id = absint($wp_query->get_queried_object_id());
$post_type = $post->post_type;
$parent = $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' !== $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, avia_breadcrumbs_get_parents('', $path));
}
/* If there's an archive page, add it to the trail. */
if (!empty($post_type_object->has_archive) && function_exists('get_post_type_archive_link')) {
$trail[] = '<a href="' . get_post_type_archive_link($post_type) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . $post_type_object->labels->name . '</a>';
}
}
/* try to build a generic taxonomy trail no matter the post type and taxonomy and terms
$currentTax = "";
foreach(get_taxonomies() as $tax)
{
$terms = get_the_term_list( $post_id, $tax, '', '$$$', '' );
echo"<pre>";
print_r($tax.$terms);
echo"</pre>";
}
*/
/* If the post type path returns nothing and there is a parent, get its parents. */
if (empty($path) && 0 !== $parent || 'attachment' == $post_type) {
$trail = array_merge($trail, avia_breadcrumbs_get_parents($parent, ''));
}
/* Toggle the display of the posts page on single blog posts. */
if ('post' == $post_type && $show_posts_page == true && 'page' == get_option('show_on_front')) {
$posts_page = get_option('page_for_posts');
if ($posts_page != '' && is_numeric($posts_page)) {
$trail = array_merge($trail, avia_breadcrumbs_get_parents($posts_page, ''));
}
}
if ('post' == $post_type && $show_categories) {
$category = get_the_category();
foreach ($category as $cat) {
if (!empty($cat->parent)) {
$parents = get_category_parents($cat->cat_ID, TRUE, '$$$', FALSE);
$parents = explode("\$\$\$", $parents);
foreach ($parents as $parent_item) {
if ($parent_item) {
$trail[] = $parent_item;
}
}
break;
}
}
if (isset($category[0]) && empty($parents)) {
$trail[] = '<a href="' . get_category_link($category[0]->term_id) . '">' . $category[0]->cat_name . '</a>';
}
}
if ($post_type == 'portfolio') {
$parents = get_the_term_list($post_id, 'portfolio_entries', '', '$$$', '');
$parents = explode('$$$', $parents);
foreach ($parents as $parent_item) {
if ($parent_item) {
$trail[] = $parent_item;
}
}
}
/* Display terms for specific post type taxonomy if requested. */
if (isset($args["singular_{$post_type}_taxonomy"]) && ($terms = get_the_term_list($post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', ''))) {
$trail[] = $terms;
}
/* End with the post title. */
$post_title = get_the_title($post_id);
// Force the post_id to make sure we get the correct page 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 = $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, avia_breadcrumbs_get_parents('', $path));
}
/* If the taxonomy is hierarchical, list its parent terms. */
if (is_taxonomy_hierarchical($term->taxonomy) && $term->parent) {
$trail = array_merge($trail, avia_breadcrumbs_get_term_parents($term->parent, $term->taxonomy));
}
/* Add the term name to the trail end. */
$trail['trail_end'] = $term->name;
} elseif (function_exists('is_post_type_archive') && 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['archive'])) {
$path .= $post_type_object->rewrite['archive'];
}
/* If there's a path, check for parents. */
if (!empty($path)) {
$trail = array_merge($trail, avia_breadcrumbs_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, avia_breadcrumbs_get_parents('', $path));
}
/* Add the author's display name to the trail end. */
$trail['trail_end'] = apply_filters('avf_author_name', get_the_author_meta('display_name', get_query_var('author')), 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', 'avia_framework'));
} elseif (get_query_var('minute')) {
$trail['trail_end'] = sprintf(__('Minute %1$s', 'avia_framework'), get_the_time(__('i', 'avia_framework')));
} elseif (get_query_var('hour')) {
$trail['trail_end'] = get_the_time(__('g a', 'avia_framework'));
}
} elseif (is_date()) {
/* If $front has been set, check for parent pages. */
if ($wp_rewrite->front) {
$trail = array_merge($trail, avia_breadcrumbs_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', 'avia_framework')) . '">' . get_the_time(__('Y', 'avia_framework')) . '</a>';
$trail[] = '<a href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" title="' . get_the_time(esc_attr__('F', 'avia_framework')) . '">' . get_the_time(__('F', 'avia_framework')) . '</a>';
$trail['trail_end'] = get_the_time(__('j', 'avia_framework'));
} elseif (get_query_var('w')) {
$trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', 'avia_framework')) . '">' . get_the_time(__('Y', 'avia_framework')) . '</a>';
$trail['trail_end'] = sprintf(__('Week %1$s', 'avia_framework'), get_the_time(esc_attr__('W', 'avia_framework')));
} elseif (is_month()) {
$trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', 'avia_framework')) . '">' . get_the_time(__('Y', 'avia_framework')) . '</a>';
$trail['trail_end'] = get_the_time(__('F', 'avia_framework'));
} elseif (is_year()) {
$trail['trail_end'] = get_the_time(__('Y', 'avia_framework'));
}
}
} elseif (is_search()) {
$trail['trail_end'] = sprintf(__('Search results for "%1$s"', 'avia_framework'), esc_attr(get_search_query()));
} elseif (is_404()) {
$trail['trail_end'] = __('404 Not Found', 'avia_framework');
}
/* Allow child themes/plugins to filter the trail array. */
$trail = apply_filters('avia_breadcrumbs_trail', $trail, $args);
/* Connect the breadcrumb trail if there are items in the trail. */
if (is_array($trail)) {
$el_tag = "span";
$vocabulary = "";
//google rich snippets
if ($richsnippet === true) {
$vocabulary = 'xmlns:v="http://rdf.data-vocabulary.org/#"';
}
/* Open the breadcrumb trail containers. */
$breadcrumb = '<div class="breadcrumb breadcrumbs avia-breadcrumbs"><div class="breadcrumb-trail" ' . $vocabulary . '>';
/* If $before was set, wrap it in a container. */
if (!empty($before)) {
$breadcrumb .= '<' . $el_tag . ' class="trail-before">' . $before . '</' . $el_tag . '> ';
}
/* Wrap the $trail['trail_end'] value in a container. */
if (!empty($trail['trail_end'])) {
if (!is_search()) {
$trail['trail_end'] = avia_backend_truncate($trail['trail_end'], $truncate, " ", $pad = "...", false, '<strong><em><span>', true);
}
$trail['trail_end'] = '<' . $el_tag . ' class="trail-end">' . $trail['trail_end'] . '</' . $el_tag . '>';
}
if ($richsnippet === true) {
foreach ($trail as $key => &$link) {
if ("trail_end" == $key) {
continue;
}
$link = preg_replace('!rel=".+?"|rel=\'.+?\'|!', "", $link);
$link = str_replace('<a ', '<a rel="v:url" property="v:title" ', $link);
$link = '<span typeof="v:Breadcrumb">' . $link . '</span>';
}
}
/* Format the separator. */
if (!empty($separator)) {
$separator = '<span class="sep">' . $separator . '</span>';
}
/* Join the individual trail items into a single string. */
$breadcrumb .= join(" {$separator} ", $trail);
/* If $after was set, wrap it in a container. */
if (!empty($after)) {
$breadcrumb .= ' <span class="trail-after">' . $after . '</span>';
}
/* Close the breadcrumb trail containers. */
$breadcrumb .= '</div></div>';
}
/* Allow developers to filter the breadcrumb trail HTML. */
$breadcrumb = apply_filters('avia_breadcrumbs', $breadcrumb);
/* Output the breadcrumb. */
if ($echo) {
echo $breadcrumb;
} else {
return $breadcrumb;
}
}
