07:55:06 Create new PHPExcel object<br />07:55:06 Set document properties<br />07:55:06 Add data<br />07:55:06 Set data validation<br />07:55:06 Write to Excel2007 format<br />07:55:06 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0141 seconds<br />07:55:06 Current memory usage: 6 MB<br />07:55:06 Peak memory usage: 6 MB<br />07:55:06 Done writing file<br />File has been created in /var/www/html/add/hhh/laravel/vendor/phpoffice/phpexcel/Examples<br />