22:07:00 Create new PHPExcel object<br />22:07:00 Set document properties<br />22:07:00 Add data<br />22:07:00 Set data validation<br />22:07:00 Write to Excel2007 format<br />22:07:00 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0122 seconds<br />22:07:00 Current memory usage: 6 MB<br />22:07:00 Peak memory usage: 6 MB<br />22:07:00 Done writing file<br />File has been created in /var/www/skav909/vendor/phpoffice/phpexcel/Examples<br />