declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\Integrations;
* Register the WP Posts importer.
public function register() {
add_action( 'wp_import_posts', array( $this, 'register_product_attribute_taxonomies' ), 100, 1 );
* Register product attribute taxonomies when importing posts via the WXR importer.
* @param array $posts The posts to process.
public function register_product_attribute_taxonomies( $posts ) {
if ( ! is_array( $posts ) || empty( $posts ) ) {
foreach ( $posts as $post ) {
if ( 'product' !== $post['post_type'] || empty( $post['terms'] ) ) {
foreach ( $post['terms'] as $term ) {
if ( ! strstr( $term['domain'], 'pa_' ) ) {
if ( taxonomy_exists( $term['domain'] ) ) {
$attribute_name = wc_attribute_taxonomy_slug( $term['domain'] );
if ( ! in_array( $attribute_name, wc_get_attribute_taxonomies(), true ) ) {
'name' => $attribute_name,
'slug' => $attribute_name,
'order_by' => 'menu_order',
// Register the taxonomy so that the import works.
apply_filters( 'woocommerce_taxonomy_objects_' . $term['domain'], array( 'product' ) ),
'woocommerce_taxonomy_args_' . $term['domain'],