protected function export_rows() {
		$data   = $this->get_data_to_export();
		$buffer = fopen( 'php://output', 'w' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fopen
		ob_start();

		array_walk( $data, array( $this, 'export_row' ), $buffer );

		return apply_filters( "woocommerce_{$this->export_type}_export_rows", ob_get_clean(), $this );
	}