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Breadcrumbs for Products in Multiple Categories - Breadcrumb by Product Category

// Breadcrumbs for Products in Multiple Categories - Breadcrumb by Product Category

if( is_product() ) {
        $permalinks = wc_get_permalink_structure();
        $current_title = end($breadcrumb)[0];
        if ( $_SERVER['HTTP_REFERER'] ) {
            $url_parts = explode( '/', trim( wp_parse_url( $_SERVER['HTTP_REFERER'] )['path'], '/' ) );
            $url = site_url() . '/' . $permalinks['category_base'];
            $breadcrumb = array(
                array( __( 'Homepage', 'woocommerce-multilingual' ), site_url(), ),
                array( __( 'Catalog', 'woocommerce' ), site_url() . $permalinks['product_base'] . '/', ),
            );
            foreach( $url_parts as $url_part ) {
                if( $term = get_term_by( 'slug', $url_part, 'product_cat' ) ) {
                    $url .= '/' . $url_part;
                    $breadcrumb[] = array( $term->name, $url );
                }
            }
            $breadcrumb[] = array( $current_title );
        } else {
            $breadcrumb = array(
                array( __( 'Homepage', 'woocommerce-multilingual' ), site_url(), ),
                array( __( 'Products', 'woocommerce-multilingual' ), site_url() . $permalinks['product_base'] . '/', ),
                array( $current_title ),
            );
        }
    }