20:44:36 Create new PHPExcel object<br />20:44:36 Set document properties<br />20:44:36 Add data<br />20:44:36 Set data validation<br />20:44:36 Write to Excel5 format<br />20:44:36 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0099 seconds<br />20:44:36 Current memory usage: 2 MB<br />20:44:36 Peak memory usage: 2 MB<br />20:44:36 Done writing file<br />File has been created in /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Examples<br />