13:02:24 Create new PHPExcel object<br />13:02:24 Set document properties<br />13:02:24 Add data<br />13:02:24 Set data validation<br />13:02:24 Write to Excel2007 format<br />13:02:24 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0080 seconds<br />13:02:24 Current memory usage: 6 MB<br />13:02:24 Peak memory usage: 6 MB<br />13:02:24 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />