07:39:35 Create new PHPExcel object<br />07:39:35 Set document properties<br />07:39:35 Add some data<br />07:39:35 Rename worksheet<br />07:39:35 Clone worksheet<br />07:39:35 Rename cloned worksheet<br />07:39:35 Write to Excel2007 format<br />07:39:35 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0643 seconds<br />07:39:35 Current memory usage: 2 MB<br />07:39:35 Peak memory usage: 2 MB<br />07:39:35 Done writing files<br />File has been created in /home/acadexam/edu.acadexam.ru/vendor/phpoffice/phpexcel/Examples<br />