Neos\Flow\Validation\Validator\CollectionValidator::isValid PHP Метод

    protected function isValid($value)
    {
        foreach ($value as $index => $collectionElement) {
            if (isset($this->options['elementValidator'])) {
                $collectionElementValidator = $this->validatorResolver->createValidator($this->options['elementValidator'], $this->options['elementValidatorOptions']);
            } elseif (isset($this->options['elementType'])) {
                if (isset($this->options['validationGroups'])) {
                    $collectionElementValidator = $this->validatorResolver->getBaseValidatorConjunction($this->options['elementType'], $this->options['validationGroups']);
                } else {
                    $collectionElementValidator = $this->validatorResolver->getBaseValidatorConjunction($this->options['elementType']);
                }
            } else {
                return;
            }
            if ($collectionElementValidator instanceof ObjectValidatorInterface) {
                $collectionElementValidator->setValidatedInstancesContainer($this->validatedInstancesContainer);
            }
            $this->result->forProperty($index)->merge($collectionElementValidator->validate($collectionElement));
        }
    }