14:52:53 Create new PHPExcel object<br />14:52:53 Set document properties<br />14:52:53 Add data<br />14:52:53 Set data validation<br />14:52:53 Write to Excel2007 format<br />14:52:53 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0381 seconds<br />14:52:53 Current memory usage: 4 MB<br />14:52:53 Peak memory usage: 4 MB<br />14:52:53 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />