00:23:53 Create new PHPExcel object<br />00:23:53 Set document properties<br />00:23:53 Add some data<br />00:23:53 Rename worksheet<br />00:23:53 Clone worksheet<br />00:23:53 Rename cloned worksheet<br />00:23:53 Write to Excel2007 format<br />00:23:53 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0054 seconds<br />00:23:53 Current memory usage: 2 MB<br />00:23:53 Peak memory usage: 2 MB<br />00:23:53 Done writing files<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />