21:20:05 Create new PHPExcel object<br />21:20:05 Set document properties<br />21:20:05 Add some data<br />21:20:05 Rename worksheet<br />21:20:05 Set document security<br />21:20:05 Set sheet security<br />21:20:05 Write to Excel2007 format<br />21:20:05 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0041 seconds<br />21:20:05 Current memory usage: 2 MB<br />21:20:05 Peak memory usage: 2 MB<br />21:20:05 Done writing file<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />