21:35:57 Create new PHPExcel object<br />21:35:57 Set document properties<br />21:35:57 Add some data<br />21:35:57 Rename worksheet<br />21:35:57 Clone worksheet<br />21:35:57 Rename cloned worksheet<br />21:35:57 Write to Excel2007 format<br />21:35:57 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0161 seconds<br />21:35:57 Current memory usage: 5 MB<br />21:35:57 Peak memory usage: 5 MB<br />21:35:57 Done writing files<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />