21:13:12 Create new PHPExcel object<br />21:13:12 Set document properties<br />21:13:12 Add some data<br />21:13:12 Rename worksheet<br />21:13:12 Set document security<br />21:13:12 Set sheet security<br />21:13:12 Write to Excel2007 format<br />21:13:12 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0097 seconds<br />21:13:12 Current memory usage: 6 MB<br />21:13:12 Peak memory usage: 6 MB<br />21:13:12 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />