18:27:11 Create new PHPExcel object<br />18:27:11 Set document properties<br />18:27:11 Add some data<br />18:27:11 Rename worksheet<br />18:27:11 Clone worksheet<br />18:27:11 Rename cloned worksheet<br />18:27:11 Write to Excel2007 format<br />18:27:11 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0072 seconds<br />18:27:11 Current memory usage: 2 MB<br />18:27:11 Peak memory usage: 2 MB<br />18:27:11 Done writing files<br />File has been created in /home/acadexam/edu.acadexam.ru/vendor/phpoffice/phpexcel/Examples<br />