18:48:49 Create new PHPExcel object<br />18:48:49 Set document properties<br />18:48:49 Add data<br />18:48:49 Set data validation<br />18:48:49 Write to Excel2007 format<br />18:48:49 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0048 seconds<br />18:48:49 Current memory usage: 2 MB<br />18:48:49 Peak memory usage: 2 MB<br />18:48:49 Done writing file<br />File has been created in /var/www/html/Qudrive/vendor/phpoffice/phpexcel/Examples<br />