01:57:01 Create new PHPExcel object<br />01:57:01 Set document properties<br />01:57:01 Add some data<br />01:57:01 Rename worksheet<br />01:57:01 Clone worksheet<br />01:57:01 Rename cloned worksheet<br />01:57:01 Write to Excel2007 format<br />01:57:01 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0022 seconds<br />01:57:01 Current memory usage: 2 MB<br />01:57:01 Peak memory usage: 2 MB<br />01:57:01 Done writing files<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />