<?php
/**
 * NullArrayObject.php
 * Copyright (c) 2019 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Support;


use ArrayObject;

class NullArrayObject extends ArrayObject
{
    public $default = null;

    /**
     * NullArrayObject constructor.
     *
     * @param array $array
     * @param null  $default
     */
    public function __construct(array $array, $default = null)
    {
        parent::__construct($array);
        $this->default = $default;
    }

    /**
     * @param mixed $key
     *
     * @return mixed|null
     */
    public function offsetGet($key)
    {
        if ($this->offsetExists($key)) {
            return parent::offsetGet($key);
        }

        return null;
    }
}