WooCommerce Trails Length
<?php
/**
* Modify Trail Length for Breadcrumbs in WooCommerce
*/
if(!function_exists('avia_woocommerce_breadcrumb')) {
add_filter('avia_breadcrumbs_trail','avia_woocommerce_breadcrumb');
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( $shop_id ) ;
if( isset($_GET['test']) ) {
print_r($shop_trail);
}
array_splice($trail, 1, 0, $shop_trail);
}
}
if(is_product_tag())
{
$last = __("Tag",'avia_framework').": ".$last;
}
if(count( $trail ) > 3 ) {
unset($trail[0]);
unset($trail[1]);
unset($trail[2]);
}
if( !is_product() ) {
if(!empty($last)) $trail[] = $last;
}
}
return $trail;
}
}