13:37:54 Create new PHPExcel object<br />13:37:54 Set document properties<br />13:37:54 Add some data<br />13:37:54 Rename worksheet<br />13:37:54 Clone worksheet<br />13:37:54 Rename cloned worksheet<br />13:37:54 Write to Excel2007 format<br />13:37:54 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0210 seconds<br />13:37:54 Current memory usage: 3.75 MB<br />13:37:54 Peak memory usage: 3.75 MB<br />13:37:54 Done writing files<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />