17:00:19 Create new PHPExcel object<br />17:00:19 Set document properties<br />17:00:19 Add data<br />17:00:19 Set data validation<br />17:00:19 Write to Excel5 format<br />17:00:19 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0155 seconds<br />17:00:19 Current memory usage: 6.5 MB<br />17:00:19 Peak memory usage: 6.5 MB<br />17:00:19 Done writing file<br />File has been created in /var/www/nizamuddin/vendor/phpoffice/phpexcel/Examples<br />