23:07:39 Create new PHPExcel object<br />23:07:39 Set document properties<br />23:07:39 Add data<br />23:07:39 Set data validation<br />23:07:39 Write to Excel2007 format<br />23:07:39 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0150 seconds<br />23:07:39 Current memory usage: 4.75 MB<br />23:07:39 Peak memory usage: 4.75 MB<br />23:07:39 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />