woocommerce_valid_order_statuses_for_cancel filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_valid_order_statuses_for_cancel', 'filter_function_name_7838', 10, 2 );
function filter_function_name_7838( $array, $order ){
	// filter...

	return $array;
}

$array

-

$order

-

Where the hook is called

$order_can_cancel = $order->has_status( apply_filters( 'woocommerce_valid_order_statuses_for_cancel', array( 'pending', 'failed' ), $order ) );

if ( ! in_array( $order->get_status(), apply_filters( 'woocommerce_valid_order_statuses_for_cancel', array( 'pending', 'failed' ), $order ), true ) ) {

Where in WP core the hook is used WooCommerce