09:41:36 Create new PHPExcel object<br />09:41:36 Set document properties<br />09:41:36 Add some data<br />09:41:36 Rename worksheet<br />09:41:36 Set document security<br />09:41:36 Set sheet security<br />09:41:36 Write to Excel2007 format<br />09:41:36 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0079 seconds<br />09:41:36 Current memory usage: 6 MB<br />09:41:36 Peak memory usage: 6 MB<br />09:41:36 Done writing file<br />File has been created in /var/www/html/add/jiamei/laravel/vendor/phpoffice/phpexcel/Examples<br />