18:48:11 Create new PHPExcel object<br />18:48:11 Set document properties<br />18:48:11 Add data<br />18:48:11 Set data validation<br />18:48:11 Write to Excel2007 format<br />18:48:11 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0018 seconds<br />18:48:11 Current memory usage: 2 MB<br />18:48:11 Peak memory usage: 2 MB<br />18:48:11 Done writing file<br />File has been created in /var/www/php7.3/fed/vendor/phpoffice/phpexcel/Examples<br />