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<?php
declare(strict_types=1);
namespace Yiisoft\Validator\Rule;
use InvalidArgumentException;
use Yiisoft\Validator\Exception\InvalidCallbackReturnTypeException;
use Yiisoft\Validator\Exception\UnexpectedRuleException;
use Yiisoft\Validator\Result;
use Yiisoft\Validator\RuleHandlerInterface;
use Yiisoft\Validator\ValidationContext;
final class CallbackHandler implements RuleHandlerInterface
{
public function validate(mixed $value, object $rule, ValidationContext $context): Result
if (!$rule instanceof Callback) {
throw new UnexpectedRuleException(Callback::class, $rule);
}
$callback = $rule->getCallback();
if ($callback === null) {
throw new InvalidArgumentException('Using method outside of attribute scope is prohibited.');
$callbackResult = $callback($value, $rule, $context);
if (!$callbackResult instanceof Result) {
throw new InvalidCallbackReturnTypeException($callbackResult);
$result = new Result();
if ($callbackResult->isValid()) {
return $result;
foreach ($callbackResult->getErrors() as $error) {
$result->addError(
message: $error->getMessage(),
valuePath: $error->getValuePath(),
parameters: ['value' => $value]
);
yiisoft /
validator
