08:55:55 Create new PHPExcel object<br />08:55:55 Set document properties<br />08:55:55 Add data<br />08:55:55 Set data validation<br />08:55:55 Write to Excel2007 format<br />08:55:55 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0066 seconds<br />08:55:55 Current memory usage: 1.5 MB<br />08:55:55 Peak memory usage: 1.5 MB<br />08:55:55 Done writing file<br />File has been created in /var/www/html/national-parameters/vendor/phpoffice/phpexcel/Examples<br />