FluidTYPO3\Fluidpages\Provider\PageProvider::getFlexFormValuesSingle PHP Метод

    public function getFlexFormValuesSingle(array $row)
    {
        $fieldName = $this->getFieldName($row);
        $form = $this->getForm($row);
        // legacy language handling, this was deprecated in TYPO3 7.6 (Deprecation: #70138 Flex form language handling)
        // this should stay here for a little while and be removed at some point in the future
        $languageRef = null;
        if ($GLOBALS['TSFE']->sys_language_uid > 0) {
            $languageRef = 'l' . $GLOBALS['TSFE']->config['config']['language'];
        }
        $immediateConfiguration = $this->pageConfigurationService->convertFlexFormContentToArray($row[$fieldName], $form, $languageRef, null);
        $immediateConfiguration = $this->overlayFlexFormValues($row, $immediateConfiguration, $form);
        return $immediateConfiguration;
    }