respect-validation/library/Rules/StringVal.php
Danilo Correa e832a99d4c
Apply contribution guidelines to "StringVal" rule
Also creates a "ToStringStub" class to help on testing objects that can
be converted to string.

Co-authored-by: Henrique Moody <henriquemoody@gmail.com>
Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
2018-09-06 08:41:12 +02:00

35 lines
799 B
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the "LICENSE.md"
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_object;
use function is_scalar;
use function method_exists;
/**
* Validates whether the input can be used as a string.
*
* @author Danilo Correa <danilosilva87@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class StringVal extends AbstractRule
{
/**
* {@inheritdoc}
*/
public function validate($input): bool
{
return is_scalar($input) || (is_object($input) && method_exists($input, '__toString'));
}
}