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filter is not described

woocommerce_purchase_order_item_types filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_purchase_order_item_types', 'filter_function_name_5537' );
function filter_function_name_5537( $string ){
	// filter...

	return $string;
}
$string
-

Where the hook is called

In file: /templates/order/order-details.php
woocommerce_purchase_order_item_types
woocommerce/templates/order/order-details.php 26
$order_items           = $order->get_items( apply_filters( 'woocommerce_purchase_order_item_types', 'line_item' ) );

Where in WP core the hook is used WooCommerce

Usage not found.