function wc_get_attribute_taxonomies() {
	$prefix      = WC_Cache_Helper::get_cache_prefix( 'woocommerce-attributes' );
	$cache_key   = $prefix . 'attributes';
	$cache_value = wp_cache_get( $cache_key, 'woocommerce-attributes' );

	if ( false !== $cache_value ) {
		return $cache_value;
	}

	$raw_attribute_taxonomies = get_transient( 'wc_attribute_taxonomies' );

	if ( false === $raw_attribute_taxonomies ) {
		global $wpdb;

		$raw_attribute_taxonomies = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_name != '' ORDER BY attribute_name ASC;" );

		set_transient( 'wc_attribute_taxonomies', $raw_attribute_taxonomies );
	}

	/**
	 * Filter attribute taxonomies.
	 *
	 * @param array $attribute_taxonomies Results of the DB query. Each taxonomy is an object.
	 */
	$raw_attribute_taxonomies = (array) array_filter( apply_filters( 'woocommerce_attribute_taxonomies', $raw_attribute_taxonomies ) );

	// Index by ID for easer lookups.
	$attribute_taxonomies = array();

	foreach ( $raw_attribute_taxonomies as $result ) {
		$attribute_taxonomies[ 'id:' . $result->attribute_id ] = $result;
	}

	wp_cache_set( $cache_key, $attribute_taxonomies, 'woocommerce-attributes' );

	return $attribute_taxonomies;
}