10:10:16 Create new PHPExcel object<br />10:10:16 Set document properties<br />10:10:16 Add some data<br />10:10:16 Rename worksheet<br />10:10:16 Clone worksheet<br />10:10:16 Rename cloned worksheet<br />10:10:16 Write to Excel2007 format<br />10:10:16 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0073 seconds<br />10:10:16 Current memory usage: 1 MB<br />10:10:16 Peak memory usage: 1 MB<br />10:10:16 Done writing files<br />File has been created in /home/bjgrgao/www/cuaderno/PHPExcel_1/Examples<br />