17:18:02 Create new PHPExcel object<br />17:18:02 Set document properties<br />17:18:02 Add data<br />17:18:02 Set data validation<br />17:18:02 Write to Excel2007 format<br />17:18:02 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0410 seconds<br />17:18:02 Current memory usage: 6 MB<br />17:18:02 Peak memory usage: 6 MB<br />17:18:02 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />