protected function get_order_item_names( $order ) {
		$item_names = array();

		foreach ( $order->get_items() as $item ) {
			$item_name = $item->get_name();
			$item_meta = wp_strip_all_tags(
				wc_display_item_meta(
					$item,
					array(
						'before'    => '',
						'separator' => ', ',
						'after'     => '',
						'echo'      => false,
						'autop'     => false,
					)
				)
			);

			if ( $item_meta ) {
				$item_name .= ' (' . $item_meta . ')';
			}

			$item_names[] = $item_name . ' x ' . $item->get_quantity();
		}

		return apply_filters( 'woocommerce_paypal_get_order_item_names', implode( ', ', $item_names ), $order );
	}