21:34:47 Create new PHPExcel object<br />21:34:47 Set document properties<br />21:34:47 Add some data<br />21:34:47 Rename worksheet<br />21:34:47 Clone worksheet<br />21:34:47 Rename cloned worksheet<br />21:34:47 Write to Excel2007 format<br />21:34:47 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0040 seconds<br />21:34:47 Current memory usage: 1.5 MB<br />21:34:47 Peak memory usage: 1.5 MB<br />21:34:47 Done writing files<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />