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<?php
declare(strict_types=1);
namespace Yiisoft\Validator\Rule;
use Yiisoft\Validator\Exception\InvalidCallbackReturnTypeException;
use Yiisoft\Validator\Result;
use Yiisoft\Validator\Rule;
use Yiisoft\Validator\ValidationContext;
class Callback extends Rule
{
/**
* @var callable
*/
private $callback;
public static function rule(callable $callback): self
$rule = new self();
$rule->callback = $callback;
return $rule;
}
protected function validateValue($value, ValidationContext $context = null): Result
$callback = $this->callback;
$callbackResult = $callback($value, $context);
if (!$callbackResult instanceof Result) {
throw new InvalidCallbackReturnTypeException($callbackResult);
$result = new Result();
if ($callbackResult->isValid() === false) {
foreach ($callbackResult->getErrors() as $message) {
$result->addError($this->formatMessage($message));
return $result;
yiisoft /
validator
