18:03:42 Create new PHPExcel object<br />18:03:42 Set document properties<br />18:03:42 Add data<br />18:03:42 Set data validation<br />18:03:42 Write to Excel2007 format<br />18:03:42 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0142 seconds<br />18:03:42 Current memory usage: 4.75 MB<br />18:03:42 Peak memory usage: 4.75 MB<br />18:03:42 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />