Zend FR

<?php
class My_Acl extends Zend_Acl
{
    public function __construct(Zend_Auth $auth)
    {
        parent::__construct();

        $roleGuest = new Zend_Acl_Role('guest');
        // Ajout des ressources
        $this->add(new Zend_Acl_Resource('index'));
        $this->add(new Zend_Acl_Resource('contact'));
        $this->add(new Zend_Acl_Resource('forum'));
        $this->add(new Zend_Acl_Resource('login'));
        // Ajout des roles
        $this->addRole(new Zend_Acl_Role('guest'));
        $this->addRole(new Zend_Acl_Role('member'), 'guest'); //hérite de guest
        $this->addRole(new Zend_Acl_Role('admin'), 'member'); //hérite de member

        $this->allow('guest', 'index');
        $this->allow('guest', 'contact');
        $this->allow('member', 'forum');
        $this->allow('admin'); // Accès sans aucune restriction
    }
}