<?php 
    header("Access-Control-Allow-Origin: *");
    $ecodedata = $_POST["postdata"];
    //  echo "server say::".($ecodedata); //base64_decode  
    $b= json_decode ($ecodedata);	
	$v= $b->v;
	$w= $b->w;
	$x= $b->x;
	$y= $b->y;
	$z= $b->z;
    require_once "config.php";
    $sql = "SELECT id FROM users WHERE username = '".$x."'"; 
    //check data 
        if($result = mysqli_query($link, $sql)){
            if(mysqli_num_rows($result) > 0){
            $have="yes";
            while($row = mysqli_fetch_array($result)){
            }
            mysqli_free_result($result);
            } else{ $rest="No records were found";}
            } else{
            $rest="ERROR: Could not able to execute $sql. " . mysqli_error($link);
            }
if ($have) { echo "Sorry:[$x] already taken";}
if (!$have) {
 //   echo "start create user";
    $sql = "SELECT id FROM users WHERE username = '".$x."'"; 
    $sql = "INSERT INTO users (username, email, code, password,company,businesstype) VALUES (?, ? ,?,?,?,?)";
    if($stmt = mysqli_prepare($link, $sql)){
    // Bind variables to the prepared statement as parameters
    mysqli_stmt_bind_param($stmt, "sssssi", $param_username,$param_email,$param_code, $param_password,$param_company,$param_businesstype);
    // Set parameters
    $param_username = $x;
    $param_email=$y;
    $param_code="1";
    $param_company=$w;
    $param_businesstype=$v;
    //$param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash
    $param_password =$z;
            // Attempt to execute the prepared statement
            if(mysqli_stmt_execute($stmt)){
                // Redirect to login page
                // header("location: login.php");
                echo "OK";// created user" .$param_company;
            } else{
                $rest="ERROR: Could not able to execute $sql. " . mysqli_error($link);
                echo "Err$rest.";
            }

// Close statement
            mysqli_stmt_close($stmt);
    }
}

Edit file:v_ius.php2245