База данных кодировка

else if ($tag == 'register') {
        // Request type is Register new user
        $name = $_POST['name'];
        $email = $_POST['email'];
        $password = $_POST['password'];
        $login = $_POST['login'];
        $phone = $_POST['phone'];
        $street = $_POST['street'];
        $house = $_POST['house'];
        $country = $_POST['country'];
        $town = $_POST['town'];
        $region = $_POST['region'];
        $pol=$_POST['pol'];
        $age=$_POST['age'];
        // check if user is already existed
        if ($db->isUserExisted($email)) {
            // user is already existed - error response
            $response["error"] = 2;
            $response["error_msg"] = "User already existed";
            echo json_encode($response);
        } else {
            // store user
            $user = $db->storeUser($name, $email, $password,$login,$phone,$street,$house,$country,$town,$region,$pol,$age);
            if ($user) {
                // user stored successfully
                $response["success"] = 1;
                $response["uid"] = $user["unique_id"];
                $response["user"]["name"] = $user["name"];
                $response["user"]["email"] = $user["email"];
                $response["user"]["created_at"] = $user["created_at"];
                $response["user"]["updated_at"] = $user["updated_at"];
                echo json_encode($response);
            } else {
                // user failed to store
                $response["error"] = 1;
                $response["error_msg"] = "Error occured in Registartion";
                echo json_encode($response);
            }
        }
    }

    public function storeUser($name, $email, $password,$login,$phone,$street,$house,$country,$town,$region,$pol,$age) {
        $uuid = uniqid('', true);
        $hash = $this->hashSSHA($password);
        $encrypted_password = $hash["encrypted"]; // encrypted password
        $salt = $hash["salt"]; // salt
        $result = mysql_query("INSERT INTO users(unique_id, name, email, encrypted_password, salt, created_at,login,phone,street,house,country,town,oblast,pol,age) VALUES('$uuid', '$name', '$email', '$encrypted_password', '$salt', NOW(),'$login','$phone','$street','$house','$country','$town','$region','$pol','$age')");
        // check for successful store
        if ($result) {
            // get user details 
            $uid = mysql_insert_id(); // last inserted id
            $result = mysql_query("SELECT * FROM users WHERE uid = $uid");
            // return user details
            return mysql_fetch_array($result);
        } else {
            return false;
        }
    }

      $name = $_POST['name'];
        $email = $_POST['email'];
        $password = $_POST['password'];
        $login = $_POST['login'];
        $phone = $_POST['phone'];
        $street = $_POST['street'];
        $house = $_POST['house'];
        $country = $_POST['country'];
        $town = $_POST['town'];
        $region = $_POST['region'];
        $pol=$_POST['pol'];
        $age=$_POST['age'];

mysql_set_charset('utf8');