21:11:22 Create new PHPExcel object<br />21:11:22 Set document properties<br />21:11:22 Add data<br />21:11:22 Set data validation<br />21:11:22 Write to Excel2007 format<br />21:11:22 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0888 seconds<br />21:11:22 Current memory usage: 6 MB<br />21:11:22 Peak memory usage: 6 MB<br />21:11:22 Done writing file<br />File has been created in /home/sorianoariza/appssori/proyectos-laravel/tlmk_surveys/vendor/phpoffice/phpexcel/Examples<br />