11:25:57 Create new PHPExcel object<br />11:25:57 Set document properties<br />11:25:57 Add some data<br />11:25:57 Rename worksheet<br />11:25:57 Clone worksheet<br />11:25:57 Rename cloned worksheet<br />11:25:57 Write to Excel2007 format<br />11:25:57 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0629 seconds<br />11:25:57 Current memory usage: 4 MB<br />11:25:57 Peak memory usage: 4 MB<br />11:25:57 Done writing files<br />File has been created in E:\item\vm\vendor\phpoffice\phpexcel\Examples<br />