18:02:33 Create new PHPExcel object<br />18:02:33 Set document properties<br />18:02:33 Add some data<br />18:02:33 Rename worksheet<br />18:02:33 Set document security<br />18:02:33 Set sheet security<br />18:02:33 Write to Excel2007 format<br />18:02:33 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0109 seconds<br />18:02:33 Current memory usage: 6 MB<br />18:02:33 Peak memory usage: 6 MB<br />18:02:33 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />