18:01:54 Create new PHPExcel object<br />18:01:54 Set document properties<br />18:01:54 Add some data<br />18:01:54 Rename worksheet<br />18:01:54 Clone worksheet<br />18:01:54 Rename cloned worksheet<br />18:01:54 Write to Excel2007 format<br />18:01:54 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0148 seconds<br />18:01:54 Current memory usage: 5 MB<br />18:01:54 Peak memory usage: 5 MB<br />18:01:54 Done writing files<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />