23:10:12 Create new PHPExcel object<br />23:10:12 Set document properties<br />23:10:12 Add data<br />23:10:12 Set data validation<br />23:10:12 Write to Excel2007 format<br />23:10:12 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0390 seconds<br />23:10:12 Current memory usage: 4.75 MB<br />23:10:12 Peak memory usage: 4.75 MB<br />23:10:12 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />