spqr/vendor/workerman/validation/library/Rules/Callback.php
2024-11-05 12:10:06 +08:00

68 lines
1.4 KiB
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function array_merge;
use function call_user_func_array;
use function count;
/**
* Validates the input using the return of a given callable.
*
* @author Alexandre Gomes Gaigalas <alganet@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author William Espindola <oi@williamespindola.com.br>
*/
final class Callback extends AbstractRule
{
/**
* @var callable
*/
private $callback;
/**
* @var mixed[]
*/
private $arguments;
/**
* Initializes the rule.
*
* @param mixed ...$arguments
*/
public function __construct(callable $callback, ...$arguments)
{
$this->callback = $callback;
$this->arguments = $arguments;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
return (bool) call_user_func_array($this->callback, $this->getArguments($input));
}
/**
* @param mixed $input
* @return mixed[]
*/
private function getArguments($input): array
{
$arguments = [$input];
if (count($this->arguments) === 0) {
return $arguments;
}
return array_merge($arguments, $this->arguments);
}
}