17:31:20 Create new PHPExcel object<br />17:31:20 Set document properties<br />17:31:20 Add data<br />17:31:20 Set data validation<br />17:31:20 Write to Excel2007 format<br />17:31:20 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0090 seconds<br />17:31:20 Current memory usage: 2 MB<br />17:31:20 Peak memory usage: 2 MB<br />17:31:20 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />