<?php
/*
 * educate Breadcrumbs
*/
function educate_custom_breadcrumbs() {
       
      
    // If you have any custom post types with custom taxonomies, put the taxonomy name below (e.g. product_cat)
    $custom_taxonomy    = 'product_cat';
       
    // Get the query & post information
    global $post,$wp_query;
       
    // Do not display on the homepage
    if ( !is_front_page() ) {
       
        // Build the breadcrums
       
           
        // Home page
        echo '<li class="item-home"><a class="bread-link bread-home" href="' . esc_url(get_home_url()) . '" title="' . esc_attr__('Home','educate') . '">' . esc_html__('Home','educate') . '</a></li>';      
           
        if ( is_archive() && !is_tax() && !is_category() && !is_tag() ) {
              
            echo '<li class="item-current item-archive"><strong class="bread-current bread-archive">' . esc_html(get_the_archive_title()) . '</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-' . esc_attr($post_type) . '"><a class="bread-cat bread-custom-post-type-' . esc_attr($post_type) . '" href="' . esc_url($post_type_archive) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . esc_html($post_type_object->labels->name) . '</a></li>';           
              
            }
              
            $custom_tax_name = get_queried_object()->name;
            echo '<li class="item-current item-archive"><strong class="bread-current bread-archive">' . esc_html($custom_tax_name) . '</strong></li>';
              
        } else if ( is_single() ) { 
              
            // 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-' . esc_attr($post_type) . '"><a class="bread-cat bread-custom-post-type-' . esc_attr($post_type) . '" href="' . esc_url($post_type_archive) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . esc_html($post_type_object->labels->name) . '</a></li>';             
              
            }
              
            // Get post category info
            $category = get_the_category();
             
            if(!empty($category)) {
              
                // Get last category post is in
               
                $last_category = end($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) {
                    $cat_display .= '<li class="item-cat">'.wp_kses_post($parents).'</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 $cat_display;
                echo '<li class="item-current item-' . esc_attr($post->ID) . '"><strong class="bread-current bread-' . esc_attr($post->ID) . '" title="' . esc_attr(get_the_title()) . '">' . esc_html(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-' . esc_attr($cat_id) . ' item-cat-' . esc_attr($cat_nicename) . '"><a class="bread-cat bread-cat-' . esc_attr($cat_id) . ' bread-cat-' . esc_attr($cat_nicename) . '" href="' . esc_url($cat_link) . '" title="' . esc_attr($cat_name) . '">' . esc_html($cat_name) . '</a></li>';             
                echo '<li class="item-current item-' . esc_attr($post->ID) . '"><strong class="bread-current bread-' . esc_attr($post->ID) . '" title="' . esc_attr(get_the_title()) . '">' . esc_html(get_the_title()) . '</strong></li>';
              
            } else {
                  
                echo '<li class="item-current item-' . esc_attr($post->ID) . '"><strong class="bread-current bread-' . esc_attr($post->ID) . '" title="' . esc_attr(get_the_title()) . '">' . esc_html(get_the_title()) . '</strong></li>';
                  
            }
              
        } else if ( is_category() ) {
               
            // Category page
            echo '<li class="item-current item-cat"><strong class="bread-current bread-cat">' . esc_html(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
                if ( !isset( $parents ) ) $parents = null;
                foreach ( $anc as $ancestor ) {
                    $parents .= '<li class="item-parent item-parent-' . esc_attr($ancestor) . '"><a class="bread-parent bread-parent-' . esc_attr($ancestor) . '" href="' . esc_url(get_permalink($ancestor)) . '" title="' . esc_attr(get_the_title($ancestor)) . '">' . esc_html(get_the_title($ancestor)) . '</a></li>';
                   
                }
                   
                // Display parent pages
                echo $parents;
                   
                // Current page
                echo '<li class="item-current item-' . esc_attr($post->ID) . '"><strong title="' . esc_attr(get_the_title()) . '"> ' . esc_html(get_the_title()). '</strong></li>';
                   
            } else {
                   
                // Just display current page if not parents
                echo '<li class="item-current item-' . esc_attr($post->ID) . '"><strong class="bread-current bread-' . esc_attr($post->ID) . '"> ' . esc_html(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-' . esc_attr($get_term_id) . ' item-tag-' . esc_attr($get_term_slug) . '"><strong class="bread-current bread-tag-' . esc_attr($get_term_id) . ' bread-tag-' . esc_attr($get_term_slug) . '">' . esc_html($get_term_name) . '</strong></li>';
           
        } elseif ( is_day() ) {
               
            // Day archive
               
            // Year link
            echo '<li class="item-year item-year-' . esc_attr(get_the_time('Y')) . '"><a class="bread-year bread-year-' . esc_attr(get_the_time('Y')) . '" href="' . esc_url(get_year_link( get_the_time('Y') )) . '" title="' . esc_attr(get_the_time('Y')) . '">' . esc_html(get_the_time('Y')) . esc_html__(' Archives','educate').'</a></li>';          
               
            // Month link
            echo '<li class="item-month item-month-' . esc_attr(get_the_time('m')) . '"><a class="bread-month bread-month-' . esc_attr(get_the_time('m')) . '" href="' . esc_url(get_month_link( get_the_time('Y'), get_the_time('m') )) . '" title="' . esc_attr(get_the_time('M')) . '">' . esc_html(get_the_time('M')) . esc_html__(' Archives','educate').'</a></li>';
           
               
            // Day display
            echo '<li class="item-current item-' . esc_attr(get_the_time('j')) . '"><strong class="bread-current bread-' . esc_attr(get_the_time('j')) . '"> ' . esc_html(get_the_time('jS')) . ' ' . esc_html(get_the_time('M')) . esc_html__(' Archives','educate').'</strong></li>';
               
        } else if ( is_month() ) {
               
            // Month Archive
               
            // Year link
            echo '<li class="item-year item-year-' . esc_attr(get_the_time('Y')) . '"><a class="bread-year bread-year-' . esc_attr(get_the_time('Y')) . '" href="' . esc_url(get_year_link( get_the_time('Y') )) . '" title="' . esc_attr(get_the_time('Y')) . '">' . esc_html(get_the_time('Y')) . esc_html_e(' Archives','educate').'</a></li>';
           
               
            // Month display
            echo '<li class="item-month item-month-' . esc_attr(get_the_time('m')) . '"><strong class="bread-month bread-month-' . esc_attr(get_the_time('m')) . '" title="' . esc_attr(get_the_time('M')) . '">' . esc_html(get_the_time('M')) . esc_html__(' Archives','educate').'</strong></li>';
               
        } else if ( is_year() ) {
               
            // Display year archive
            echo '<li class="item-current item-current-' . esc_attr(get_the_time('Y')) . '"><strong class="bread-current bread-current-' . esc_attr(get_the_time('Y')) . '" title="' . esc_attr(get_the_time('Y')) . '">' . esc_html(get_the_time('Y')) . esc_html__(' Archives','educate').'</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-' . esc_attr($userdata->user_nicename) . '"><strong class="bread-current bread-current-' . esc_attr($userdata->user_nicename) . '" title="' . esc_attr($userdata->display_name) . '">' . esc_html__('Author: ','educate') . esc_html($userdata->display_name) . '</strong></li>';
           
        } else if ( get_query_var('paged') ) {
               
            // Paginated archives
            echo '<li class="item-current item-current-' . esc_attr(get_query_var('paged')) . '"><strong class="bread-current bread-current-' . esc_attr(get_query_var('paged')) . '" title="'.esc_attr__('Page ','educate') . esc_attr(get_query_var('paged')) . '">'.esc_html__('Page','educate') . ' ' . esc_html(get_query_var('paged')) . '</strong></li>';
               
        } else if ( is_search() ) {
           
            // Search results page
            echo '<li class="item-current item-current-' . esc_attr(get_search_query()) . '"><strong class="bread-current bread-current-' . esc_attr(get_search_query()) . '" title="'.esc_attr__('Search results for: ','educate') . esc_attr(get_search_query()) . '">'.esc_html__('Search results for: ','educate') . esc_html(get_search_query(),'educate') . '</strong></li>';
           
        } elseif ( is_404() ) {
               
            // 404 page
            echo '<li>' . esc_html__('Error 404','educate') . '</li>';
        }
       
       
           
    }
       
}