for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Yiisoft\Validator\Rule;
use Yiisoft\Injector\Injector;
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;
private ?Injector $injector = null;
public function __construct(callable $callback)
$this->callback = $callback;
}
protected function validateValue($value, ValidationContext $context = null): Result
$callback = $this->callback;
$callbackResult = $this->injector === null
? $callback($value, $context)
: $this->injector->invoke($callback, ['value' => $value, 'context' => $context]);
if (!$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;
public function withInjector(Injector $injector): self
$new = clone $this;
$new->injector = $injector;
return $new;
yiisoft /
validator
