21:47:14 Create new PHPExcel object<br />21:47:14 Set document properties<br />21:47:14 Add data<br />21:47:14 Set data validation<br />21:47:14 Write to Excel2007 format<br />21:47:14 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0137 seconds<br />21:47:14 Current memory usage: 4 MB<br />21:47:14 Peak memory usage: 4 MB<br />21:47:14 Done writing file<br />File has been created in /var/www/html/elite-cabiao/vendor/phpoffice/phpexcel/Examples<br />