21:31:35 Create new PHPExcel object<br />21:31:35 Set document properties<br />21:31:35 Add some data<br />21:31:35 Rename worksheet<br />21:31:35 Clone worksheet<br />21:31:35 Rename cloned worksheet<br />21:31:35 Write to Excel2007 format<br />21:31:35 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0232 seconds<br />21:31:35 Current memory usage: 2 MB<br />21:31:35 Peak memory usage: 2 MB<br />21:31:35 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />