function avia_woocommerce_breadcrumb( $trail, $args )
{
	global $avia_config;
	$shop_id = 123;

	if(is_woocommerce())
	{
		$front_id	= avia_get_option('frontpage');
		$home 		= isset( $trail[0] ) ? $trail[0] : '';
		$last 		= array_pop($trail);
		$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( is_array( $temp_cats ) && ! 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 = ( empty( $home ) ) ? array() : array( 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['trail_end'] = $last;
		}

		/**
		 * Allow to remove "Shop" in breadcrumb when shop page is frontpage
		 *
		 * @since 4.2.7
		 */
		$trail_count = count( $trail );
		if( ( $front_id == $shop_id ) && ! empty( $home ) && ( $trail_count > 1 ) )
		{
			$hide = apply_filters( 'avf_woocommerce_breadcrumb_hide_shop', 'hide', $trail, $args );
			if( 'hide' == $hide )
			{
				$title = get_the_title( $shop_id );

				for( $i = 1; $i < $trail_count; $i++ )
				{
					if( false !== strpos( $trail[ $i ], $title ) )
					{
						unset( $trail[ $i ] );
						break;
					}
				}

				$trail = array_merge( $trail );
			}
		}
	}

	return $trail;
}

add_filter('avia_breadcrumbs_trail','avia_woocommerce_breadcrumb', 10, 2 );