15:15:09 Create new PHPExcel object<br />15:15:09 Set document properties<br />15:15:09 Add some data<br />15:15:09 Write to Excel2007 format<br />15:15:09 File written to 23sharedstyles.xlsx<br />Call time to write Workbook was 0.0234 seconds<br />15:15:09 Current memory usage: 4 MB<br />15:15:09 Write to Excel5 format<br />15:15:09 File written to 23sharedstyles.xls<br />Call time to write Workbook was 0.0123 seconds<br />15:15:09 Current memory usage: 4 MB<br />15:15:09 Peak memory usage: 4 MB<br />15:15:09 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />