17:21:06 Create new PHPExcel object<br />17:21:06 Set document properties<br />17:21:06 Add data<br />17:21:06 Set data validation<br />17:21:06 Write to Excel5 format<br />17:21:06 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0732 seconds<br />17:21:06 Current memory usage: 4 MB<br />17:21:06 Peak memory usage: 4 MB<br />17:21:06 Done writing file<br />File has been created in /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Examples<br />