19:34:54 Create new PHPExcel object<br />19:34:54 Set document properties<br />19:34:54 Add some data<br />19:34:54 Rename worksheet<br />19:34:55 Clone worksheet<br />19:34:55 Rename cloned worksheet<br />19:34:55 Write to Excel2007 format<br />19:34:55 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0145 seconds<br />19:34:55 Current memory usage: 6.5 MB<br />19:34:55 Peak memory usage: 6.5 MB<br />19:34:55 Done writing files<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />