08:12:46 Create new PHPExcel object<br />08:12:46 Set document properties<br />08:12:46 Add some data<br />08:12:46 Rename worksheet<br />08:12:46 Clone worksheet<br />08:12:46 Rename cloned worksheet<br />08:12:46 Write to Excel2007 format<br />08:12:46 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0167 seconds<br />08:12:46 Current memory usage: 6 MB<br />08:12:46 Peak memory usage: 6 MB<br />08:12:46 Done writing files<br />File has been created in /var/www/html/Luca/vendor/phpoffice/phpexcel/Examples<br />