Super Clean Signup

class Signup {

    protected $username;
    protected $email;
    protected $password;

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

    protected function hashPass($hashedPass)
    {
        $this->password = password_hash($hashedPass, PASSWORD_DEFAULT);
    }
}

$newSignup = new Signup($_POST['username'], $_POST['email'], $_POST['password']);