23:06:52 Create new PHPExcel object<br />23:06:52 Set document properties<br />23:06:52 Add some data<br />23:06:52 Rename worksheet<br />23:06:52 Clone worksheet<br />23:06:52 Rename cloned worksheet<br />23:06:52 Write to Excel2007 format<br />23:06:52 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0156 seconds<br />23:06:52 Current memory usage: 5 MB<br />23:06:52 Peak memory usage: 5 MB<br />23:06:52 Done writing files<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />