#!/usr/bin/php -f

<?php

class Person extends ArrayObject { }

$arai = [
    new Person(['name' => 'Takashi', 'age' => 33]),
    new Person(['name' => 'Taro', 'age' => 5]),
    new Person(['name' => 'Shunta', 'age' => 3]),
];

foreach ($arai as ['name' => $name, 'age' => $age]) {
    echo "$name is $age years old.\n";
}