15:58:03 Create new PHPExcel object<br />15:58:03 Set document properties<br />15:58:03 Add some data<br />15:58:03 Rename worksheet<br />15:58:03 Set document security<br />15:58:03 Set sheet security<br />15:58:03 Write to Excel2007 format<br />15:58:03 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0110 seconds<br />15:58:03 Current memory usage: 6 MB<br />15:58:03 Peak memory usage: 6 MB<br />15:58:03 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />