18:53:41 Create new PHPExcel object<br />18:53:41 Set document properties<br />18:53:41 Add some data<br />18:53:41 Rename worksheet<br />18:53:41 Clone worksheet<br />18:53:41 Rename cloned worksheet<br />18:53:41 Write to Excel2007 format<br />18:53:41 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0097 seconds<br />18:53:41 Current memory usage: 2 MB<br />18:53:41 Peak memory usage: 2 MB<br />18:53:41 Done writing files<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />