21:51:01 Create new PHPExcel object<br />21:51:01 Set document properties<br />21:51:01 Add data<br />21:51:01 Set data validation<br />21:51:01 Write to Excel5 format<br />21:51:01 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0112 seconds<br />21:51:01 Current memory usage: 2 MB<br />21:51:01 Peak memory usage: 2 MB<br />21:51:01 Done writing file<br />File has been created in /var/www/laravel-wms/vendor/phpoffice/phpexcel/Examples<br />