07:53:51 Create new PHPExcel object<br />07:53:51 Set document properties<br />07:53:51 Add data<br />07:53:51 Set data validation<br />07:53:51 Write to Excel2007 format<br />07:53:51 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0108 seconds<br />07:53:51 Current memory usage: 6 MB<br />07:53:51 Peak memory usage: 6 MB<br />07:53:51 Done writing file<br />File has been created in /var/www/html/laravel_test/vendor/phpoffice/phpexcel/Examples<br />