21:14:34 Create new PHPExcel object<br />21:14:34 Set document properties<br />21:14:34 Add some data<br />21:14:34 Rename worksheet<br />21:14:34 Clone worksheet<br />21:14:34 Rename cloned worksheet<br />21:14:34 Write to Excel2007 format<br />21:14:34 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0111 seconds<br />21:14:34 Current memory usage: 6 MB<br />21:14:34 Peak memory usage: 6 MB<br />21:14:34 Done writing files<br />File has been created in /var/www/customs_huizhida_v2/vendor/phpoffice/phpexcel/Examples<br />