{
    return c0($num) . $i;
}
function c2($num1, $num2, $i1, $i2)
{
    return c0($num1) . $i1 . ':' . c0($num2) . $i2;
}
$objPHPExcel = new PHPExcel();
$objPHPExcel->getProperties()->setCreator("Claudio Rodriguez Ore");
session_start();
$venta = new ModeloVenta();
// -------------------------------------------------------- INPUT
$in['ini'] = Utilidades::clear_input($_GET['ini']);
$in['end'] = Utilidades::clear_input($_GET['end']);
// -------------------------------------------------------- Data
$ou = $venta->getDeclarativo_02($in);
// -------------------------------------------------------- TEST
// Utilidades::printr($in);
// Utilidades::printr($_SESSION);
// Utilidades::printr($campos);
// Utilidades::printr($ou);
// -------------------------------------------------------- OUT
$objPHPExcel->getActiveSheet()->setTitle('Data');
$objPHPExcel->setActiveSheetIndex(0);
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="data-' . date('Y-m-d His') . '.xls"');
header('Cache-Control: max-age=0');
// If you're serving to IE 9, then the following may be needed
header('Cache-Control: max-age=1');
// If you're serving to IE over SSL, then the following may be needed
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');