08:23:13 Create new PHPExcel object<br />08:23:13 Set document properties<br />08:23:13 Add data<br />08:23:13 Set data validation<br />08:23:13 Write to Excel5 format<br />08:23:13 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0133 seconds<br />08:23:13 Current memory usage: 6 MB<br />08:23:13 Peak memory usage: 6 MB<br />08:23:13 Done writing file<br />File has been created in /var/www/html/add/jiamei/laravel/vendor/phpoffice/phpexcel/Examples<br />