12:48:29 Create new PHPExcel object<br />12:48:29 Set document properties<br />12:48:29 Add data<br />12:48:29 Set data validation<br />12:48:29 Write to Excel2007 format<br />12:48:29 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0142 seconds<br />12:48:29 Current memory usage: 6 MB<br />12:48:29 Peak memory usage: 6 MB<br />12:48:29 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />