22:33:51 Create new PHPExcel object<br />22:33:51 Set document properties<br />22:33:51 Add some data<br />22:33:51 Rename worksheet<br />22:33:51 Clone worksheet<br />22:33:51 Rename cloned worksheet<br />22:33:51 Write to Excel2007 format<br />22:33:51 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0334 seconds<br />22:33:51 Current memory usage: 6 MB<br />22:33:51 Peak memory usage: 6 MB<br />22:33:51 Done writing files<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />