00:31:31 Create new PHPExcel object<br />00:31:31 Set document properties<br />00:31:31 Add some data<br />00:31:31 Rename worksheet<br />00:31:31 Clone worksheet<br />00:31:31 Rename cloned worksheet<br />00:31:31 Write to Excel2007 format<br />00:31:31 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0104 seconds<br />00:31:31 Current memory usage: 6 MB<br />00:31:31 Peak memory usage: 6 MB<br />00:31:31 Done writing files<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />