17:25:13 Create new PHPExcel object<br />17:25:13 Set document properties<br />17:25:13 Add some data<br />17:25:13 Rename worksheet<br />17:25:13 Clone worksheet<br />17:25:13 Rename cloned worksheet<br />17:25:13 Write to Excel2007 format<br />17:25:13 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0093 seconds<br />17:25:13 Current memory usage: 6.25 MB<br />17:25:13 Peak memory usage: 6.25 MB<br />17:25:13 Done writing files<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />