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<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <[email protected]>
* 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_scalar;
use function mb_strtoupper;
/**
* Validates if the input is equivalent to some value.
* @author Henrique Moody <[email protected]>
final class Equivalent extends AbstractRule
{
* @var mixed
private $compareTo;
* Initializes the rule.
* @param mixed $compareTo
public function __construct($compareTo)
$this->compareTo = $compareTo;
}
* {@inheritdoc}
public function validate($input): bool
if (is_scalar($input)) {
return $this->isStringEquivalent((string) $input);
return $input == $this->compareTo;
private function isStringEquivalent(string $input): bool
if (!is_scalar($this->compareTo)) {
return false;
return mb_strtoupper((string) $input) === mb_strtoupper((string) $this->compareTo);