15:16:57 Create new PHPExcel object<br />15:16:57 Set document properties<br />15:16:57 Add some data<br />15:16:57 Rename worksheet<br />15:16:57 Set document security<br />15:16:57 Set sheet security<br />15:16:57 Write to Excel2007 format<br />15:16:57 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0048 seconds<br />15:16:57 Current memory usage: 2 MB<br />15:16:57 Peak memory usage: 2 MB<br />15:16:57 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />