cakephp/tests/Fixture/NullableAuthorsFixture.php

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 * @link          https://cakephp.org CakePHP(tm) Project
 * @since         4.2.10
 * @license       https://opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\Fixture;

use Cake\TestSuite\Fixture\TestFixture;

class NullableAuthorsFixture extends TestFixture
{
    /**
     * fields property
     *
     * @var array
     */
    public $fields = [
        'id' => ['type' => 'integer'],
        'author_id' => ['type' => 'integer', 'null' => true],
        '_constraints' => ['primary' => ['type' => 'primary', 'columns' => ['id']]],
    ];

    /**
     * records property
     *
     * @var array
     */
    public $records = [
        ['author_id' => 3],
        ['author_id' => null],
    ];
}