[OOP] Login systeem

<?php

/* user class */

class User_User
{
	private $name;
	private $password;
	private $email;
	private $id;

	public function __construct($name, $password, $email)
	{
		$this->name = (string) $name;
		$this->password = (string) $password;
		$this->email = (string) $email;
	}

	public function setId($value)
	{
		$this->id = $value;
	}

	public function setName($value)
	{
		$this->name = $value;
	}

	public function setPassword($value)
	{
		$this->password = $value;
	}

	public function setEmail($value)
	{
		$this->email = $value;
	}

	public function getId()
	{
		return $this->id;
	}

	public function getName()
	{
		return $this->name;
	}

	public function getPassword()
	{
		return $this->password;
	}

	public function getEmail()
	{
		return $this->email;
	}
}


?>

<?php

class User_UserMapper
{
	protected $db; // db abstractielaag

	public function __construct(PDO $db)
	{
		$this->db = $db;
	}


	/**
     * Uit de database komt een array, populate maakt van de array een User object
     */
    public function populate(array $data)
    {
        $user = new User_User($data['name'], $data['password'], $data['email']);
        $user->setId($data['id']);

        return $user;
    }

	public function getUserById($id)
	{
		$qry = $this->db->prepare("SELECT name, password, email FROM users WHERE id = ?");

        $qry->execute(array((int) $id));
        $result = $qry->fetch(PDO::FETCH_ASSOC);
        $result['id'] = (int) $id;

        return $this->populate($result);
	}

	public function getUserByPassAndEmail($email, $password)
	{
		$qry = $this->db->prepare("SELECT id, name FROM users WHERE email = ? AND password = ?");

        $qry->execute(array($email, $password));
        $result = $qry->fetch(PDO::FETCH_ASSOC);
        $result['email'] = $email;
        $result['password'] = $password;

        return $this->populate($result);
	}

    public function saveUser(User $user)
    {

    }

    public function deleteUserById($id)
    {
        
    }
}

?>