13:26:30 Create new PHPExcel object<br />13:26:30 Set document properties<br />13:26:30 Add some data<br />13:26:30 Rename worksheet<br />13:26:30 Clone worksheet<br />13:26:30 Rename cloned worksheet<br />13:26:30 Write to Excel2007 format<br />13:26:30 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0879 seconds<br />13:26:30 Current memory usage: 2 MB<br />13:26:30 Peak memory usage: 2 MB<br />13:26:30 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />