Filtro de fechas con y sin horas para excel

application/controllers/ExportXls.php

         if ($fecha != "0000-00-00" && $fecha != "0000-00-00 00:00:00") {
             $fechaFormat = new DateTime($fecha);
             $fechaFinal = \PhpOffice\PhpSpreadsheet\Shared\Date::PHPToExcel($fechaFormat);
-        } else {
-            $fechaFinal = "00/00/0000";
+        } else if ($fecha === "0000-00-00") {
+            //$fechaFinal = "00/00/0000";
+            $fechaFinal = "";
+        } else if ($fecha === "0000-00-00 00:00:00") {
+            //$fechaFinal = "00/00/0000 00:00";
+            $fechaFinal = "";
         }
 
         return $fechaFinal;
                     ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_DATE_DATETIME);
                 $sheet->SetCellValue('J' . $aux, $datos['smeawardedIndicator']);
                 $sheet->SetCellValue('K' . $aux, $datos['contract_id']);
-                $sheet->SetCellValue('L' . $aux, $datos['contract_issueDate']);
                 $sheet->SetCellValue('L' . $aux, $this->formatFechas($datos['contract_issueDate']));
                 $sheet->getStyle('L' . $aux)
                     ->getNumberFormat()
                     ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_DATE_DATETIME);
                 $sheet->SetCellValue('M' . $aux, $datos['partyIdentification']);
                 $sheet->SetCellValue('N' . $aux, $datos['partyName']);
-                $sheet->SetCellValue('O' . $aux, $datos['TaxExclusiveAmount']);
 
                 $aux++;
             }
                     ->getNumberFormat()
                     ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_DATE_DDMMYYYY);
                 $sheet->SetCellValue('O' . $aux, $datos['documentAvailablePeriod_EndTime']);
+                $sheet->getStyle('O' . $aux)
+                    ->getNumberFormat()
+                    ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_DATE_DDMMYYYY);
 
                 $aux++;
             }
         $spreadsheet->getActiveSheet()->SetCellValue('L1', 'Fecha de formalización');
         $spreadsheet->getActiveSheet()->SetCellValue('M1', 'Adjudicatario CIF');
         $spreadsheet->getActiveSheet()->SetCellValue('N1', 'Nombre Adjudicatario');
-        $spreadsheet->getActiveSheet()->SetCellValue('O1', 'Importe de adjudicación sin impuestos');
 
         return $spreadsheet;
     }