19:26:52 Create new PHPExcel object<br />19:26:52 Set document properties<br />19:26:52 Add some data<br />19:26:52 Rename worksheet<br />19:26:52 Clone worksheet<br />19:26:52 Rename cloned worksheet<br />19:26:52 Write to Excel2007 format<br />19:26:52 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0099 seconds<br />19:26:52 Current memory usage: 4 MB<br />19:26:52 Peak memory usage: 4 MB<br />19:26:52 Done writing files<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />