21:07:12 Create new PHPExcel object<br />21:07:12 Set document properties<br />21:07:12 Add some data<br />21:07:12 Rename worksheet<br />21:07:12 Write to Excel2007 format<br />21:07:12 File written to 42richText.xlsx<br />Call time to write Workbook was 0.0071 seconds<br />21:07:12 Current memory usage: 2 MB<br />21:07:12 Write to Excel5 format<br />21:07:12 File written to 42richText.xls<br />Call time to write Workbook was 0.0048 seconds<br />21:07:12 Current memory usage: 2 MB<br />21:07:12 Peak memory usage: 2 MB<br />21:07:12 Done writing files<br />Files have been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />