18:22:15 Create new PHPExcel object<br />18:22:15 Set document properties<br />18:22:15 Add data<br />18:22:15 Set data validation<br />18:22:15 Write to Excel2007 format<br />18:22:15 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0131 seconds<br />18:22:15 Current memory usage: 6 MB<br />18:22:15 Peak memory usage: 6 MB<br />18:22:15 Done writing file<br />File has been created in /var/www/html/duhasyariah1025/vendor/phpoffice/phpexcel/Examples<br />