17:12:33 Create new PHPExcel object<br />17:12:33 Set document properties<br />17:12:33 Add data<br />17:12:33 Set data validation<br />17:12:33 Write to Excel5 format<br />17:12:33 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0055 seconds<br />17:12:33 Current memory usage: 2 MB<br />17:12:33 Peak memory usage: 2 MB<br />17:12:33 Done writing file<br />File has been created in /var/www/html/national-parameters/vendor/phpoffice/phpexcel/Examples<br />