WordPress at a glance
filter is not described

woocommerce_order_number filter-hook . WC 1.0

Gets the order number for display (by default, order ID).

Usage

add_filter( 'woocommerce_order_number', 'filter_function_name_7889', 10, 2 );
function filter_function_name_7889( $id, $that ){
	// filter...

	return $id;
}
$id
-
$that
-

Where the hook is called

WC_Order::get_order_number()
woocommerce_order_number
woocommerce/includes/class-wc-order.php 480
return (string) apply_filters( 'woocommerce_order_number', $this->get_id(), $this );

Where in WP core the hook is used WooCommerce

Usage not found.