01:01:30 Create new PHPExcel object<br />01:01:30 Set document properties<br />01:01:30 Add data<br />01:01:30 Set data validation<br />01:01:30 Write to Excel2007 format<br />01:01:30 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0021 seconds<br />01:01:30 Current memory usage: 2 MB<br />01:01:30 Peak memory usage: 2 MB<br />01:01:30 Done writing file<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />