21:35:54 Create new PHPExcel object<br />21:35:54 Set document properties<br />21:35:54 Add some data<br />21:35:54 Rename worksheet<br />21:35:54 Set document security<br />21:35:54 Set sheet security<br />21:35:54 Write to Excel5 format<br />21:35:54 File written to 11documentsecurity-xls.xls<br />Call time to write Workbook was 0.0108 seconds<br />21:35:54 Current memory usage: 6 MB<br />21:35:54 Peak memory usage: 6 MB<br />21:35:54 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />