02:03:15 Create new PHPExcel object<br />02:03:15 Set document properties<br />02:03:15 Add data<br />02:03:15 Set data validation<br />02:03:15 Write to Excel2007 format<br />02:03:15 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0115 seconds<br />02:03:15 Current memory usage: 6 MB<br />02:03:15 Peak memory usage: 6 MB<br />02:03:15 Done writing file<br />File has been created in /var/www/customs_huizhida_v2/vendor/phpoffice/phpexcel/Examples<br />