03:42:56 Create new PHPExcel object<br />03:42:56 Set document properties<br />03:42:56 Add data<br />03:42:56 Set data validation<br />03:42:56 Write to Excel2007 format<br />03:42:56 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0124 seconds<br />03:42:56 Current memory usage: 6 MB<br />03:42:56 Peak memory usage: 6 MB<br />03:42:56 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />