22:00:31 Create new PHPExcel object<br />22:00:31 Set document properties<br />22:00:31 Add data<br />22:00:31 Set data validation<br />22:00:31 Write to Excel2007 format<br />22:00:32 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0147 seconds<br />22:00:32 Current memory usage: 4 MB<br />22:00:32 Peak memory usage: 4 MB<br />22:00:32 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />