18:39:09 Create new PHPExcel object<br />18:39:09 Set document properties<br />18:39:09 Add some data<br />18:39:09 Rename worksheet<br />18:39:09 Set document security<br />18:39:09 Set sheet security<br />18:39:09 Write to Excel2007 format<br />18:39:09 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0020 seconds<br />18:39:09 Current memory usage: 2 MB<br />18:39:09 Peak memory usage: 2 MB<br />18:39:09 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />