wc_add_order_item_meta() │ WC 1.0

WooCommerce Order Item Meta API - Add term meta.

No Hooks.

Return

Int. New row ID or 0.

Usage

wc_add_order_item_meta( $item_id, $meta_key, $meta_value, $unique );

$item_id(int) (required)

Item ID.

$meta_key(string) (required)

Meta key.

$meta_value(mixed) (required)

Meta value.

$unique(true|false)

If meta data should be unique .
Default: false)

wc_add_order_item_meta() wc add order item meta code ^{WC 9.4.2}

function wc_add_order_item_meta( $item_id, $meta_key, $meta_value, $unique = false ) {
	$data_store = WC_Data_Store::load( 'order-item' );
	$meta_id    = $data_store->add_metadata( $item_id, $meta_key, $meta_value, $unique );

	if ( $meta_id ) {
		WC_Cache_Helper::invalidate_cache_group( 'object_' . $item_id ); // Invalidate cache.
		return $meta_id;
	}
	return 0;
}