protected function handle() {

		$file = $this->get_csv_file();

		if ( ! headers_sent() ) { // This makes the method testable via phpunit.
			header( 'Content-Type: text/csv' );
			header( 'Content-Disposition: attachment; filename=orders.csv' );
			header( 'Content-Length: ' . strlen( $file ) );
			nocache_headers();
		}

		llms_exit( $file );

	}