23:00:56 Create new PHPExcel object<br />23:00:56 Set document properties<br />23:00:56 Add data<br />23:00:56 Set data validation<br />23:00:56 Write to Excel2007 format<br />23:00:56 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0091 seconds<br />23:00:56 Current memory usage: 2 MB<br />23:00:56 Peak memory usage: 2 MB<br />23:00:56 Done writing file<br />File has been created in /var/www/customs_huizhida_v2/vendor/phpoffice/phpexcel/Examples<br />