17:41:29 Create new PHPExcel object<br />17:41:29 Set document properties<br />17:41:29 Add some data<br />17:41:29 Rename worksheet<br />17:41:29 Clone worksheet<br />17:41:29 Rename cloned worksheet<br />17:41:29 Write to Excel2007 format<br />17:41:29 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0385 seconds<br />17:41:29 Current memory usage: 6 MB<br />17:41:29 Peak memory usage: 6 MB<br />17:41:29 Done writing files<br />File has been created in D:\wwwroot\yx\base_admin_welcome_new_student\vendor\phpoffice\phpexcel\Examples<br />