14:01:46 Create new PHPExcel object<br />14:01:46 Set document properties<br />14:01:46 Add some data<br />14:01:46 Rename worksheet<br />14:01:46 Clone worksheet<br />14:01:46 Rename cloned worksheet<br />14:01:46 Write to Excel2007 format<br />14:01:46 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0091 seconds<br />14:01:46 Current memory usage: 6.25 MB<br />14:01:46 Peak memory usage: 6.25 MB<br />14:01:46 Done writing files<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />