21:39:10 Create new PHPExcel object<br />21:39:10 Set document properties<br />21:39:10 Add data<br />21:39:10 Set data validation<br />21:39:10 Write to Excel2007 format<br />21:39:10 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0041 seconds<br />21:39:10 Current memory usage: 2 MB<br />21:39:10 Peak memory usage: 2 MB<br />21:39:10 Done writing file<br />File has been created in /var/www/html/elite-calinog/vendor/phpoffice/phpexcel/Examples<br />