20:20:03 Create new PHPExcel object<br />20:20:03 Set document properties<br />20:20:03 Add some data<br />20:20:03 Rename worksheet<br />20:20:03 Clone worksheet<br />20:20:03 Rename cloned worksheet<br />20:20:03 Write to Excel2007 format<br />20:20:03 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0204 seconds<br />20:20:03 Current memory usage: 3.75 MB<br />20:20:03 Peak memory usage: 3.75 MB<br />20:20:03 Done writing files<br />File has been created in D:\whospost\crawlerTest\vendor\phpoffice\phpexcel\Examples<br />