02:40:14 Create new PHPExcel object<br />02:40:15 Set document properties<br />02:40:15 Add data<br />02:40:15 Set data validation<br />02:40:15 Write to Excel2007 format<br />02:40:15 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0178 seconds<br />02:40:15 Current memory usage: 3.75 MB<br />02:40:15 Peak memory usage: 3.75 MB<br />02:40:15 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />