Customer.php

<?php
namespace app\models\customer;

/**
 * Class Customer
 * @package app\models\customer
 *
 * @property string $name
 * @property \DateTime $birth_date
 * @property string $notes
 * @property PhoneRecord[] $phones
 */
class Customer {
    /** @var string */
    public $name;

    /** @var \DateTime */
    public $birth_date;

    /** @var string */
    public $notes = '';

    /** @var PhoneRecord[]  */
    public $phones = [];

    public function __construct($name, $birthDate) {
        $this->name = $name;
        $this->birth_date = $birthDate;
    }

}