22:13:23 Create new PHPExcel object<br />22:13:23 Set document properties<br />22:13:23 Add some data<br />22:13:23 Write to Excel2007 format<br />22:13:23 File written to 23sharedstyles.xlsx<br />Call time to write Workbook was 0.0198 seconds<br />22:13:23 Current memory usage: 4 MB<br />22:13:23 Write to Excel5 format<br />22:13:23 File written to 23sharedstyles.xls<br />Call time to write Workbook was 0.0076 seconds<br />22:13:23 Current memory usage: 4 MB<br />22:13:23 Peak memory usage: 4 MB<br />22:13:23 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />