woocommerce_order_updated_messages │ filter-hook │ WC 7.4.0.

This is used by the order edit page to show messages in the notice fields. It should be similar to post_updated_messages filter, i.e.: array( {order_type} => array(

1 => 'Order updated.',
2 => 'Custom field updated.',

... ).

The index to be displayed is computed from the $_GET['message'] variable.

Usage

add_filter( 'woocommerce_order_updated_messages', 'wp_kama_woocommerce_order_updated_messages_filter' );

/**
 * Function for `woocommerce_order_updated_messages` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_woocommerce_order_updated_messages_filter( $array ){

	// filter...
	return $array;
}

$array

-

Changelog

Where the hook is called

$messages = apply_filters( 'woocommerce_order_updated_messages', array() );

Where the hook is used in WooCommerce

add_filter( 'woocommerce_order_updated_messages', array( $this, 'order_updated_messages' ) );