23:08:59 Create new PHPExcel object<br />23:08:59 Set document properties<br />23:08:59 Add some data<br />23:08:59 Rename worksheet<br />23:08:59 Set document security<br />23:08:59 Set sheet security<br />23:08:59 Write to Excel2007 format<br />23:08:59 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0108 seconds<br />23:08:59 Current memory usage: 6 MB<br />23:08:59 Peak memory usage: 6 MB<br />23:08:59 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />