<?php 
session_start();
require_once'../include/dbcon.php' ;
$a = $_POST['test'];
$b = $_POST['rid'] ;

$c = $_POST['wid'] ;

$ex = $DBcon->prepare("update news set content = '$a'  where sn = $b " );

if($ex->execute()) header("location: editnews.php") ;

?>