tt

gistfile1.txt

<?php

class User {
	protected $email;
	protected $password;

	public function is($role = 'user') {}
	public function login($email, $pass) {}
	public function isLoggedin() {}
	getEmail
	getPass
}

class Auth {
	protected $_provider = array();

	public function addAuthProvider(AuthProvider $provider) {}
	public function authenticate(User $user) {}
}

interface AuthProvider {
	public function authenticate(User $user);
}

class AuthProviderLdap implements AuthProvider {}
class AuthProviderDb implements AuthProvider {}
class AuthProviderOauth implements AuthProvider {}


// ************************** //

$user = new User($email, $password);
$auth = new Auth();

$auth
	->addAuthProvider($db)
	->addAuthProvider($ldap)
	->addAuthProvider($oauth)
;

$AuthController->authenticate($user);