/**
 * The code below is inspired by Justin Tadlock's Hybrid Core.
 *
 * woo_breadcrumbs() 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 3.7.0
 * @param array $args Mixed arguments for the menu.
 * @return string Output of the breadcrumb menu.
 */
function woo_breadcrumbs($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:', 'woothemes') . '</span>', 'after' => false, 'front_page' => true, 'show_home' => __('Home', 'woothemes'), 'echo' => true, 'show_posts_page' => true, 'show_only_first_taxonomy_tree' => 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('woo_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) {
        $trail[] = '<a href="' . esc_url(home_url()) . '" title="' . esc_attr(get_bloginfo('name')) . '" rel="home" class="trail-begin">' . esc_html($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, woo_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;
        $post_type_object = get_post_type_object($post_type);
        /* If an attachment, check if there are any pages in its hierarchy based on the slug. */
        if ('attachment' == $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) && '/' != $path) {
                $trail = array_merge($trail, woo_breadcrumbs_get_parents('', $path));
            }
        }
        /* If there's an archive page, add it to the trail. */
        if (!empty($post_type_object->has_archive)) {
            $trail['post_type_archive_link'] = '<a href="' . get_post_type_archive_link($post_type) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . esc_html($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, woo_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, woo_breadcrumbs_get_parents($posts_page, ''));
            }
        }
        /* Display terms for specific post type taxonomy if requested. */
        if (isset($args["singular_{$post_type}_taxonomy"]) && $post_type != 'page') {
            $raw_terms = get_the_terms($post_id, $args["singular_{$post_type}_taxonomy"]);
            if (is_array($raw_terms) && 0 < count($raw_terms) && !is_wp_error($raw_terms)) {
                $links = array();
                $count = 0;
                $sorted = $raw_terms;
                $terms_by_ancestor = array();
                foreach ($raw_terms as $k => $v) {
                    $ancestors = array_reverse(get_ancestors($v->term_id, $args["singular_{$post_type}_taxonomy"]));
                    if (isset($ancestors[0])) {
                        $key = $ancestors[0];
                    } else {
                        $key = $v->term_id;
                    }
                    $terms_by_ancestor[$key][$v->term_id] = get_term_by('term_id', $v->term_id, $args["singular_{$post_type}_taxonomy"]);
                }
                if (0 < count($terms_by_ancestor)) {
                    $sorted = array();
                    foreach ($terms_by_ancestor as $k => $v) {
                        if (0 < count($v)) {
                            foreach ($v as $i => $j) {
                                $sorted[$i] = $j;
                            }
                        }
                    }
                    foreach ($sorted as $k => $v) {
                        if (isset($sorted[$v->parent])) {
                            unset($sorted[$v->parent]);
                        }
                    }
                }
                foreach ($sorted as $k => $v) {
                    $count++;
                    if (isset($args['show_only_first_taxonomy_tree']) && true == (bool) $args['show_only_first_taxonomy_tree'] && 1 < $count) {
                        continue;
                    }
                    // Display only the first match.
                    $parents = woo_get_term_parents($v->term_id, $args["singular_{$post_type}_taxonomy"], true, '|-|', $v->name, array());
                    if ($parents != '' && !is_wp_error($parents)) {
                        $parents_arr = explode('|-|', $parents);
                        foreach ($parents_arr as $p) {
                            if ($p != '' && !in_array($p, $links)) {
                                $links[] = $p;
                            }
                        }
                    }
                }
                if (0 < count($links)) {
                    foreach ($links as $k => $v) {
                        $trail[] = $v;
                    }
                }
            }
        }
        /* 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, woo_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, woo_breadcrumbs_get_term_parents($term->parent, $term->taxonomy));
            }
            /* Add the term name to the trail end. */
            $trail['trail_end'] = $term->name;
        } 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['archive'])) {
                $path .= $post_type_object->rewrite['archive'];
            }
            /* If there's a path, check for parents. */
            if (!empty($path) && '/' != $path) {
                $trail = array_merge($trail, woo_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, woo_breadcrumbs_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', 'woothemes'));
            } elseif (get_query_var('minute')) {
                $trail['trail_end'] = sprintf(__('Minute %1$s', 'woothemes'), get_the_time(__('i', 'woothemes')));
            } elseif (get_query_var('hour')) {
                $trail['trail_end'] = get_the_time(__('g a', 'woothemes'));
            }
        } elseif (is_date()) {
            /* If $front has been set, check for parent pages. */
            if ($wp_rewrite->front) {
                $trail = array_merge($trail, woo_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', 'woothemes')) . '">' . get_the_time(__('Y', 'woothemes')) . '</a>';
                $trail[] = '<a href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" title="' . get_the_time(esc_attr__('F', 'woothemes')) . '">' . get_the_time(__('F', 'woothemes')) . '</a>';
                $trail['trail_end'] = get_the_time(__('j', 'woothemes'));
            } elseif (get_query_var('w')) {
                $trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', 'woothemes')) . '">' . get_the_time(__('Y', 'woothemes')) . '</a>';
                $trail['trail_end'] = sprintf(__('Week %1$s', 'woothemes'), get_the_time(esc_attr__('W', 'woothemes')));
            } elseif (is_month()) {
                $trail[] = '<a href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time(esc_attr__('Y', 'woothemes')) . '">' . get_the_time(__('Y', 'woothemes')) . '</a>';
                $trail['trail_end'] = get_the_time(__('F', 'woothemes'));
            } elseif (is_year()) {
                $trail['trail_end'] = get_the_time(__('Y', 'woothemes'));
            }
        }
    } elseif (is_search()) {
        $trail['trail_end'] = sprintf(__('Search results for &quot;%1$s&quot;', 'woothemes'), esc_attr(get_search_query()));
    } elseif (is_404()) {
        $trail['trail_end'] = __('404 Not Found', 'woothemes');
    }
    /* Allow child themes/plugins to filter the trail array. */
    $trail = apply_filters('woo_breadcrumbs_trail', $trail, $args);
    /* Connect the breadcrumb trail if there are items in the trail. */
    if (is_array($trail)) {
        /* Open the breadcrumb trail containers. */
        $breadcrumb = '<div class="breadcrumb breadcrumbs woo-breadcrumbs"><div class="breadcrumb-trail">';
        /* If $before was set, wrap it in a container. */
        if (!empty($before)) {
            $breadcrumb .= '<span class="trail-before">' . wp_kses_post($before) . '</span> ';
        }
        /* Wrap the $trail['trail_end'] value in a container. */
        if (!empty($trail['trail_end'])) {
            $trail['trail_end'] = '<span class="trail-end">' . wp_kses_post($trail['trail_end']) . '</span>';
        }
        /* Format the separator. */
        if (!empty($separator)) {
            $separator = '<span class="sep">' . wp_kses_post($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)) {
            $breadcrumb .= ' <span class="trail-after">' . wp_kses_post($after) . '</span>';
        }
        /* Close the breadcrumb trail containers. */
        $breadcrumb .= '</div></div>';
    }
    /* Allow developers to filter the breadcrumb trail HTML. */
    $breadcrumb = apply_filters('woo_breadcrumbs', $breadcrumb);
    /* Output the breadcrumb. */
    if ($echo) {
        echo $breadcrumb;
    } else {
        return $breadcrumb;
    }
}
/**
 * The code below is inspired by Justin Tadlock's Hybrid Core.
 *
 * woo_breadcrumbs() 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 3.7.0
 * @param array $args Mixed arguments for the menu.
 * @return string Output of the breadcrumb menu.
 */
function woo_breadcrumbs($args = array())
{
    global $wp_query, $wp_rewrite;
    /* Get the textdomain. */
    $textdomain = 'woothemes';
    /* 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' => '&raquo;', 'before' => '<span class="breadcrumb-title">' . __('You are here:', $textdomain) . '</span>', 'after' => false, 'front_page' => true, 'show_home' => __('Home', $textdomain), '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('woo_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, woo_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) {
            $post_type_object = get_post_type_object($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, woo_breadcrumbs_get_parents('', $path));
            }
            /* If there's an archive page, add it to the trail. */
            if (!empty($post_type_object->rewrite['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) . '">' . $post_type_object->labels->name . '</a>';
            }
        }
        /* If the post type path returns nothing and there is a parent, get its parents. */
        if (empty($path) && 0 !== $parent || 'attachment' == $post_type) {
            $trail = array_merge($trail, woo_breadcrumbs_get_parents($parent, ''));
        }
        /* Display terms for specific post type taxonomy if requested. */
        if (isset($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, woo_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, woo_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, woo_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, woo_breadcrumbs_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, woo_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', $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(__('j', $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()) {
        $trail['trail_end'] = sprintf(__('Search results for &quot;%1$s&quot;', $textdomain), esc_attr(get_search_query()));
    } 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)) {
        /* Open the breadcrumb trail containers. */
        $breadcrumb = '<div class="breadcrumb breadcrumbs woo-breadcrumbs"><div class="breadcrumb-trail">';
        /* If $before was set, wrap it in a container. */
        if (!empty($before)) {
            $breadcrumb .= '<span class="trail-before">' . $before . '</span> ';
        }
        /* Wrap the $trail['trail_end'] value in a container. */
        if (!empty($trail['trail_end'])) {
            $trail['trail_end'] = '<span class="trail-end">' . $trail['trail_end'] . '</span>';
        }
        /* Format the separator. */
        if (!empty($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('woo_breadcrumbs', $breadcrumb);
    /* Output the breadcrumb. */
    if ($echo) {
        echo $breadcrumb;
    } else {
        return $breadcrumb;
    }
}