Password Value Object

gistfile1.php

<?php

class User
{
    protected $username;
    protected $password;

    public function __construct($username, Password $password)
    {
        $this->username = $username;
        $this->password = $password;
    }

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

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

    public function changePassword(Password $password)
    {
        $this->password = $password;
    }
}

class Password
{
    protected $md5;
    protected $sha1;

    public function __construct($md5, $sha1)
    {
        $this->md5 = $md5;
        $this->sha1 = $sha1;
    }

    public function md5()
    {
        return $this->md5;
    }

    public function sha1()
    {
        return $this->sha1;
    }

    public static function generate($salt)
    {
        return new self(md5($salt), sha1($salt));
    }
}

$user = new User(
    $data['username'],
    new Password($data['pass_md5'], $data['pass_sha1'])
);

$user->changePassword(Password::generate($request->get('password')));