20:38:06 Create new PHPExcel object<br />20:38:06 Set document properties<br />20:38:06 Add some data<br />20:38:06 Rename worksheet<br />20:38:06 Clone worksheet<br />20:38:06 Rename cloned worksheet<br />20:38:06 Write to Excel2007 format<br />20:38:06 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0019 seconds<br />20:38:06 Current memory usage: 1.75 MB<br />20:38:06 Peak memory usage: 1.75 MB<br />20:38:06 Done writing files<br />File has been created in /var/www/ched/vendor/phpoffice/phpexcel/Examples<br />