22:00:17 Create new PHPExcel object<br />22:00:17 Set document properties<br />22:00:17 Add data<br />22:00:17 Set data validation<br />22:00:17 Write to Excel5 format<br />22:00:17 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0240 seconds<br />22:00:17 Current memory usage: 2 MB<br />22:00:17 Peak memory usage: 2 MB<br />22:00:17 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />