Add blog link to WooCommerce breadcrumbs

gistfile1.txt

add_filter( 'woocommerce_get_breadcrumb', function( $crumbs, $breadcrumb ) {

	if( is_singular( 'post' ) || is_category() ) {
		$new_breadcrumb = [
			_x( 'Blog', 'woo-breadcrumb', 'ci-theme' ),
			get_post_type_archive_link( 'post' ),
		];
		array_splice( $crumbs, 1, 0, [ $new_breadcrumb ] );
	}
	return $crumbs;
}, 10, 2 );