WC_Shipping_Zone_Data_Store::add_meta │ public │ WC 10.5.0

Shipping zones do not support meta data.

Returns 0 to indicate no meta was added. Valid meta IDs are always positive integers, so 0 indicates failure while remaining type-compatible with parent.

Method of the class: WC_Shipping_Zone_Data_Store{}

No Hooks.

Returns

Int. Always returns 0 as shipping zones do not support meta storage.

Usage

$WC_Shipping_Zone_Data_Store = new WC_Shipping_Zone_Data_Store();
$WC_Shipping_Zone_Data_Store->add_meta( $zone, $meta );
$zone(WC_Shipping_Zone) (required) (passed by reference — &)
Shipping zone object.
$meta(stdClass) (required)
Meta object (containing ->key and ->value).

Changelog

Since 10.5.0 Introduced.

WC_Shipping_Zone_Data_Store::add_meta() code WC 10.5.0

woocommerce/includes/data-stores/class-wc-shipping-zone-data-store.php 
public function add_meta( &$zone, $meta ) {
	wc_get_logger()->warning(
		'Attempted to add meta to a shipping zone, but shipping zones do not support meta data.',
		array(
			'source'    => 'shipping_zone_data_store',
			'zone_id'   => $zone->get_id(),
			'key'       => $meta->key ?? '',
			'backtrace' => true,
		)
	);
	return 0;
}