19:05:19 Create new PHPExcel object<br />19:05:19 Set document properties<br />19:05:19 Add some data<br />19:05:19 Rename worksheet<br />19:05:19 Clone worksheet<br />19:05:19 Rename cloned worksheet<br />19:05:19 Write to Excel2007 format<br />19:05:19 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0023 seconds<br />19:05:19 Current memory usage: 2 MB<br />19:05:19 Peak memory usage: 2 MB<br />19:05:19 Done writing files<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />