44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the ActivityPhp package.
|
|
*
|
|
* Copyright (c) landrok at github.com/landrok
|
|
*
|
|
* For the full copyright and license information, please see
|
|
* <https://github.com/landrok/activitypub/blob/master/LICENSE>.
|
|
*/
|
|
|
|
namespace Plugin\ActivityPub\Util\Type\Validator;
|
|
|
|
use Exception;
|
|
use Plugin\ActivityPub\Util\Type\Core\OrderedCollectionPage;
|
|
use Plugin\ActivityPub\Util\Type\Util;
|
|
use Plugin\ActivityPub\Util\Type\ValidatorInterface;
|
|
|
|
/**
|
|
* \Plugin\ActivityPub\Util\Type\Validator\StartIndexValidator is a dedicated
|
|
* validator for startIndex attribute.
|
|
*/
|
|
class StartIndexValidator implements ValidatorInterface
|
|
{
|
|
/**
|
|
* Validate startIndex value
|
|
*
|
|
* @param mixed $value
|
|
* @param mixed $container An OrderedCollectionPage
|
|
*
|
|
* @throws Exception
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function validate(mixed $value, mixed $container): bool
|
|
{
|
|
// Container type is OrderedCollectionPage
|
|
Util::subclassOf($container, OrderedCollectionPage::class, true);
|
|
|
|
// Must be a non-negative integer
|
|
return Util::validateNonNegativeInteger($value);
|
|
}
|
|
}
|