21:16:15 Create new PHPExcel object<br />21:16:15 Set document properties<br />21:16:15 Add data<br />21:16:15 Set data validation<br />21:16:15 Write to Excel2007 format<br />21:16:15 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0110 seconds<br />21:16:15 Current memory usage: 2 MB<br />21:16:15 Peak memory usage: 2 MB<br />21:16:15 Done writing file<br />File has been created in /var/www/laravel-tms/vendor/phpoffice/phpexcel/Examples<br />