PHP ADOdb Active Record - One to Many

adodb_one_to_many.php

<?php 
include('adodb/adodb.inc.php');
include('adodb/adodb-active-record.inc.php');

$driver = 'mysqli';
$server = 'localhost';
$user = 'root';
$password = 'secret';
$database = 'mydb';

$db = newAdoConnection($driver);
$db->pConnect($server, $user, $password, $database);
ADOdb_Active_Record::SetDatabaseAdapter($db);

class person extends ADOdb_Active_Record{}
ADODB_Active_Record::ClassHasMany('person', 'children','person_id');

$tblOrtu = 'persons';

$person = new person($tblOrtu);
$person->Load("id=1");
foreach($person->children as $c) {
    echo " $c->nama \n";
}