21:04:13 Create new PHPExcel object<br />21:04:13 Set document properties<br />21:04:13 Add some data<br />21:04:13 Rename worksheet<br />21:04:13 Clone worksheet<br />21:04:13 Rename cloned worksheet<br />21:04:13 Write to Excel2007 format<br />21:04:13 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0230 seconds<br />21:04:13 Current memory usage: 6 MB<br />21:04:13 Peak memory usage: 6 MB<br />21:04:13 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />