08:21:06 Create new PHPExcel object<br />08:21:06 Set document properties<br />08:21:06 Add some data<br />08:21:06 Rename worksheet<br />08:21:06 Set document security<br />08:21:06 Set sheet security<br />08:21:06 Write to Excel2007 format<br />08:21:06 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0301 seconds<br />08:21:06 Current memory usage: 6 MB<br />08:21:06 Peak memory usage: 6 MB<br />08:21:06 Done writing file<br />File has been created in /var/www/html/lcyj_sub/ylst/laravel/vendor/phpoffice/phpexcel/Examples<br />