$aro = new Aro(); // users and groups
$aco = new Aco(); // controllers and actions

// add some users and groups to the system
// it is assumed you have your own table of user, with their own information
$aro->create( 1, null, 'John Smith' ); // 1=user_id, null=parent
$aro->create( 2, null, 'Millie Thompson');

$aro->create(0, null, 'Admins'); // group
$aro->create(0, null, 'Managers'); //group

//set John to be an admin
$aro->setParent('Admins', 1);
// set Millie to be an manager
$aro->setParent('Managers', 2);

$aco->create(0, null, 'Home/home');