17:28:36 Create new PHPExcel object<br />17:28:36 Set document properties<br />17:28:36 Add data<br />17:28:36 Set data validation<br />17:28:36 Write to Excel2007 format<br />17:28:36 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0109 seconds<br />17:28:36 Current memory usage: 6 MB<br />17:28:36 Peak memory usage: 6 MB<br />17:28:36 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />