21:14:15 Create new PHPExcel object<br />21:14:15 Set document properties<br />21:14:15 Add some data<br />21:14:15 Rename worksheet<br />21:14:15 Set document security<br />21:14:15 Set sheet security<br />21:14:15 Write to Excel5 format<br />21:14:15 File written to 11documentsecurity-xls.xls<br />Call time to write Workbook was 0.0301 seconds<br />21:14:15 Current memory usage: 6 MB<br />21:14:15 Peak memory usage: 6 MB<br />21:14:15 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />