19:36:09 Create new PHPExcel object<br />19:36:09 Set document properties<br />19:36:09 Add some data<br />19:36:09 Rename worksheet<br />19:36:09 Clone worksheet<br />19:36:09 Rename cloned worksheet<br />19:36:09 Write to Excel2007 format<br />19:36:09 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0153 seconds<br />19:36:09 Current memory usage: 3.75 MB<br />19:36:09 Peak memory usage: 3.75 MB<br />19:36:09 Done writing files<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />