18:26:00 Create new PHPExcel object<br />18:26:00 Set document properties<br />18:26:00 Add some data<br />18:26:00 Rename worksheet<br />18:26:00 Clone worksheet<br />18:26:00 Rename cloned worksheet<br />18:26:00 Write to Excel2007 format<br />18:26:00 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0031 seconds<br />18:26:00 Current memory usage: 2 MB<br />18:26:00 Peak memory usage: 2 MB<br />18:26:00 Done writing files<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />