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Edit File: ExportableInterface.php

<?php /** * Reports Exportable Controller Interface */ namespace Automattic\WooCommerce\Admin\API\Reports; if ( ! defined( 'ABSPATH' ) ) { exit; } /** * WooCommerce Reports exportable controller interface. * * @since 3.5.0 */ interface ExportableInterface { /** * Get the column names for export. * * @return array Key value pair of Column ID => Label. */ public function get_export_columns(); /** * Get the column values for export. * * @param array $item Single report item/row. * @return array Key value pair of Column ID => Value. */ public function prepare_item_for_export( $item ); }