21:36:12 Create new PHPExcel object<br />21:36:12 Set document properties<br />21:36:12 Add data<br />21:36:12 Set data validation<br />21:36:12 Write to Excel2007 format<br />21:36:12 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0147 seconds<br />21:36:12 Current memory usage: 4.75 MB<br />21:36:12 Peak memory usage: 4.75 MB<br />21:36:12 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />