15:32:36 Create new PHPExcel object<br />15:32:36 Set document properties<br />15:32:36 Add data<br />15:32:36 Set data validation<br />15:32:36 Write to Excel2007 format<br />15:32:36 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0129 seconds<br />15:32:36 Current memory usage: 4 MB<br />15:32:36 Peak memory usage: 4 MB<br />15:32:36 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />