15:24:38 Create new PHPExcel object<br />15:24:38 Set document properties<br />15:24:38 Add data<br />15:24:38 Set data validation<br />15:24:38 Write to Excel2007 format<br />15:24:38 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0042 seconds<br />15:24:38 Current memory usage: 2 MB<br />15:24:38 Peak memory usage: 2 MB<br />15:24:38 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />