18:04:45 Create new PHPExcel object<br />18:04:45 Set document properties<br />18:04:45 Add data<br />18:04:45 Set data validation<br />18:04:45 Write to Excel5 format<br />18:04:45 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0116 seconds<br />18:04:45 Current memory usage: 2 MB<br />18:04:45 Peak memory usage: 2 MB<br />18:04:45 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />