wc_order_statuses filter-hook . WC 1.0

Usage

add_filter( 'wc_order_statuses', 'filter_function_name_9544' );
function filter_function_name_9544( $order_statuses ){
	// filter...

	return $order_statuses;
}

$order_statuses

-

Where the hook is called

return apply_filters( 'wc_order_statuses', $order_statuses );

Where in WP core the hook is used WooCommerce

add_filter( 'wc_order_statuses', [ $this, 'register_draft_order_status' ] );