19:51:10 Create new PHPExcel object<br />19:51:10 Set document properties<br />19:51:10 Add some data<br />19:51:10 Rename worksheet<br />19:51:10 Write to Excel2007 format<br />19:51:10 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0039 seconds<br />19:51:10 Current memory usage: 2 MB<br />19:51:10 Write to Excel5 format<br />19:51:10 File written to 01simple.xls<br />Call time to write Workbook was 0.0071 seconds<br />19:51:10 Current memory usage: 2 MB<br />19:51:10 Peak memory usage: 2 MB<br />19:51:10 Done writing files<br />Files have been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />