19:36:05 Create new PHPExcel object<br />19:36:05 Set document properties<br />19:36:05 Add data<br />19:36:05 Set data validation<br />19:36:05 Write to Excel2007 format<br />19:36:05 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0340 seconds<br />19:36:05 Current memory usage: 3.75 MB<br />19:36:05 Peak memory usage: 3.75 MB<br />19:36:05 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />