13:25:10 Create new PHPExcel object<br />13:25:10 Set document properties<br />13:25:10 Add data<br />13:25:10 Set data validation<br />13:25:10 Write to Excel2007 format<br />13:25:10 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0026 seconds<br />13:25:10 Current memory usage: 2 MB<br />13:25:10 Peak memory usage: 2 MB<br />13:25:10 Done writing file<br />File has been created in /var/www/php7.4/jayhun/vendor/phpoffice/phpexcel/Examples<br />