01:57:23 Create new PHPExcel object<br />01:57:23 Set document properties<br />01:57:23 Add some data<br />01:57:23 Rename worksheet<br />01:57:23 Clone worksheet<br />01:57:23 Rename cloned worksheet<br />01:57:23 Write to Excel2007 format<br />01:57:23 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0106 seconds<br />01:57:23 Current memory usage: 6 MB<br />01:57:23 Peak memory usage: 6 MB<br />01:57:23 Done writing files<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />