16:36:05 Create new PHPExcel object<br />16:36:05 Set document properties<br />16:36:05 Add data<br />16:36:05 Set data validation<br />16:36:05 Write to Excel2007 format<br />16:36:05 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0291 seconds<br />16:36:05 Current memory usage: 4.75 MB<br />16:36:05 Peak memory usage: 4.75 MB<br />16:36:05 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />