20:00:09 Create new PHPExcel object<br />20:00:09 Set document properties<br />20:00:09 Add some data<br />20:00:09 Rename worksheet<br />20:00:09 Clone worksheet<br />20:00:09 Rename cloned worksheet<br />20:00:09 Write to Excel2007 format<br />20:00:09 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0046 seconds<br />20:00:09 Current memory usage: 1 MB<br />20:00:09 Peak memory usage: 1 MB<br />20:00:09 Done writing files<br />File has been created in /home/bjgrgao/www/cuaderno/PHPExcel_1/Examples<br />