08:20:48 Create new PHPExcel object<br />08:20:48 Set document properties<br />08:20:48 Add some data<br />08:20:48 Rename worksheet<br />08:20:48 Clone worksheet<br />08:20:48 Rename cloned worksheet<br />08:20:48 Write to Excel2007 format<br />08:20:48 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0299 seconds<br />08:20:48 Current memory usage: 6 MB<br />08:20:48 Peak memory usage: 6 MB<br />08:20:48 Done writing files<br />File has been created in /var/www/html/lcyj_sub/ylst/laravel/vendor/phpoffice/phpexcel/Examples<br />