08:19:51 Create new PHPExcel object<br />08:19:51 Set document properties<br />08:19:51 Add some data<br />08:19:51 Rename worksheet<br />08:19:51 Set document security<br />08:19:51 Set sheet security<br />08:19:51 Write to Excel2007 format<br />08:19:51 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0295 seconds<br />08:19:51 Current memory usage: 6 MB<br />08:19:51 Peak memory usage: 6 MB<br />08:19:51 Done writing file<br />File has been created in /var/www/html/add/jhyj/laravel/vendor/phpoffice/phpexcel/Examples<br />