public function SavePassword()
{
$this->sql = "SELECT `password` FROM `user` WHERE `id`='" . $this->data["sessdata"]["userid"] . "'";
$data = parent::custom();
if ($this->data["reqdata"]["oldpassword"] === $data[0]['password']) {
$this->data["keyvalue"] = $this->data["sessdata"]["userid"];
$this->data["reqdata"] = array("password" => $this->data["reqdata"]["newpassword"]);
parent::Update();
} else {
parent::response();
}
}