23:09:32 Create new PHPExcel object<br />23:09:32 Set document properties<br />23:09:32 Add some data<br />23:09:32 Rename worksheet<br />23:09:32 Clone worksheet<br />23:09:32 Rename cloned worksheet<br />23:09:32 Write to Excel2007 format<br />23:09:32 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0155 seconds<br />23:09:32 Current memory usage: 5 MB<br />23:09:32 Peak memory usage: 5 MB<br />23:09:32 Done writing files<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />