06:40:52 Create new PHPExcel object<br />06:40:52 Set document properties<br />06:40:52 Add data<br />06:40:52 Set data validation<br />06:40:52 Write to Excel2007 format<br />06:40:52 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0016 seconds<br />06:40:52 Current memory usage: 2 MB<br />06:40:52 Peak memory usage: 2 MB<br />06:40:52 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />