WordPress at a glance
function is not described

Automattic\WooCommerce\Admin\API\Reports\Categories

Controller::get_export_columns() public WC 1.0

Get the column names for export.

{} It's a method of the class: Controller{}

Return

Array. Key value pair of Column ID => Label.

Usage

$Controller = new Controller();
$Controller->get_export_columns();

Code of Controller::get_export_columns() WC 5.3.0

<?php
public function get_export_columns() {
	$export_columns = array(
		'category'       => __( 'Category', 'woocommerce' ),
		'items_sold'     => __( 'Items Sold', 'woocommerce' ),
		'net_revenue'    => __( 'Net Revenue', 'woocommerce' ),
		'products_count' => __( 'Products', 'woocommerce' ),
		'orders_count'   => __( 'Orders', 'woocommerce' ),
	);

	/**
	 * Filter to add or remove column names from the categories report for
	 * export.
	 *
	 * @since 1.6.0
	 */
	return apply_filters(
		'woocommerce_report_categories_export_columns',
		$export_columns
	);
}