<?php 
    header("Access-Control-Allow-Origin: *");
    $ecodedata = $_POST["postdata"];
    //  echo "server say::".($ecodedata); //base64_decode  
    $b= json_decode ($ecodedata);	
	$u= $b->u;
	$v= $b->v;
	$w= $b->w;
	$x= $b->x;
	$y= $b->y;
	$z= $b->z;
$id= $b->id;
    require_once "configs.php";
//echo $x;
    //check data 
$sql='SELECT * FROM users where username="'.$x.'"';
$res = $db->query($sql);
$i=0;
while ($row = $res->fetchArray()) {
//    echo "{$row['username']}";
$i++;
}
if ($i>0) $have=$i;
//echo "we have =$x have=$y comp=$w for update";

//if ($have) { echo "Sorry:[$x] already taken";exit;} else  {

$code="1";
$company=$w;
$businesstype=$v;
$guser=$u;
if ($businesstype==0) $businesstype=4;
//$id=$_GET['id'];
////////////Collect form data/////////////

///////// End of data collection ///

//echo "start create user id=$id == $x $y $code $company $v $z";

//    $sql = "INSERT INTO users (username, email, code, password,company,businesstype) VALUES (?, ? ,?,?,?,?)";
$sql="update users set username='$x',email='$y',code='$code',password='$z',company='$company',businesstype='$businesstype' where id=$id";
$sql="update users set email='$y',code='$code',password='$z',company='$company',businesstype='$businesstype',guser='$guser' where id=$id";
   $ret = $db->exec($sql);
   if(!$ret) {
      echo $db->lastErrorMsg();
   } else {
      //echo $db->changes(), " Record updated successfully\n";
//echo "$x updated";
echo "OK";
$db->close();

//}
  }
?>

Edit file:sq_uus.php1688