13:39:14 Create new PHPExcel object<br />13:39:14 Set document properties<br />13:39:14 Add some data<br />13:39:14 Rename worksheet<br />13:39:14 Clone worksheet<br />13:39:14 Rename cloned worksheet<br />13:39:14 Write to Excel2007 format<br />13:39:14 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0036 seconds<br />13:39:14 Current memory usage: 2 MB<br />13:39:14 Peak memory usage: 2 MB<br />13:39:14 Done writing files<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />