10:44:43 Create new PHPExcel object<br />10:44:43 Set document properties<br />10:44:43 Add data<br />10:44:43 Set data validation<br />10:44:43 Write to Excel2007 format<br />10:44:43 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0160 seconds<br />10:44:43 Current memory usage: 4.75 MB<br />10:44:43 Peak memory usage: 4.75 MB<br />10:44:43 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />