38 Clone worksheet

20:21:01 Create new Spreadsheet object
20:21:01 Set document properties
20:21:01 Add some data
20:21:01 Rename worksheet
20:21:01 Clone worksheet
20:21:01 Rename cloned worksheet
20:21:01 Write Xlsx format to /tmp/phpspreadsheet/38_Clone_worksheet.xlsx in 0.0046 seconds
20:21:01 Write Xls format to /tmp/phpspreadsheet/38_Clone_worksheet.xls in 0.0029 seconds
20:21:01 Peak memory usage: 2MB