15:44:56 Create new PHPExcel object<br />15:44:56 Set document properties<br />15:44:56 Add some data<br />15:44:56 Rename worksheet<br />15:44:56 Write to Excel2007 format<br />15:44:56 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0224 seconds<br />15:44:56 Current memory usage: 2 MB<br />15:44:56 Write to Excel5 format<br />15:44:56 File written to 01simple.xls<br />Call time to write Workbook was 0.0053 seconds<br />15:44:56 Current memory usage: 2 MB<br />15:44:56 Peak memory usage: 2 MB<br />15:44:56 Done writing files<br />Files have been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />