Neos\FluidAdaptor\ViewHelpers\Form\AbstractFormFieldViewHelper::addAdditionalIdentityPropertiesIfNeeded PHP Метод

    protected function addAdditionalIdentityPropertiesIfNeeded()
    {
        if (!$this->isObjectAccessorMode()) {
            return;
        }
        if (!$this->viewHelperVariableContainer->exists(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, 'formObject')) {
            return;
        }
        $propertySegments = explode('.', $this->arguments['property']);
        // hierarchical property. If there is no "." inside (thus $propertySegments == 1), we do not need to do anything
        if (count($propertySegments) < 2) {
            return;
        }
        $formObject = $this->viewHelperVariableContainer->get(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, 'formObject');
        $objectName = $this->viewHelperVariableContainer->get(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, 'formObjectName');
        // If count == 2 -> we need to go through the for-loop exactly once
        for ($i = 1; $i < count($propertySegments); $i++) {
            $object = ObjectAccess::getPropertyPath($formObject, implode('.', array_slice($propertySegments, 0, $i)));
            $objectName .= '[' . $propertySegments[$i - 1] . ']';
            $hiddenIdentityField = $this->renderHiddenIdentityField($object, $objectName);
            // Add the hidden identity field to the ViewHelperVariableContainer
            $additionalIdentityProperties = $this->viewHelperVariableContainer->get(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, 'additionalIdentityProperties');
            $additionalIdentityProperties[$objectName] = $hiddenIdentityField;
            $this->viewHelperVariableContainer->addOrUpdate(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, 'additionalIdentityProperties', $additionalIdentityProperties);
        }
    }