csv export silex

$app->match('/export', function() use($app){
  	$sql = 'SELECT * FROM partial_customers';
		$records = $app['db']->fetchAll($sql);

		header("Content-Type: text/csv");
		header("Content-Disposition: attachment; filename=partial_customers.csv");
		header("Pragma: no-cache");
		header("Expires: 0");

		$output = fopen("php://output", "w");

		foreach ($records as $row)
			fputcsv($output, $row, ',');

		fclose($output);
		exit();
	})->bind('dump');

Thanks man this was super helpful!