21:53:51 Create new PHPExcel object<br />21:53:51 Set document properties<br />21:53:51 Add some data<br />21:53:51 Rename worksheet<br />21:53:51 Set document security<br />21:53:51 Set sheet security<br />21:53:51 Write to Excel2007 format<br />21:53:51 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0039 seconds<br />21:53:51 Current memory usage: 2 MB<br />21:53:51 Peak memory usage: 2 MB<br />21:53:51 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />