18:21:17 Create new PHPExcel object<br />18:21:17 Set document properties<br />18:21:17 Add data<br />18:21:17 Set data validation<br />18:21:17 Write to Excel2007 format<br />18:21:17 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0122 seconds<br />18:21:17 Current memory usage: 6 MB<br />18:21:17 Peak memory usage: 6 MB<br />18:21:17 Done writing file<br />File has been created in /var/www/loyalworld/vendor/phpoffice/phpexcel/Examples<br />