08:07:46 Create new PHPExcel object<br />08:07:46 Set document properties<br />08:07:46 Add data<br />08:07:46 Set data validation<br />08:07:46 Write to Excel2007 format<br />08:07:46 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0145 seconds<br />08:07:46 Current memory usage: 4 MB<br />08:07:46 Peak memory usage: 4 MB<br />08:07:46 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />