FluidTYPO3\Vhs\ViewHelpers\Iterator\ColumnViewHelper::render PHP Метод

    public function render()
    {
        $subject = $this->getArgumentFromArgumentsOrTagContentAndConvertToArray('subject');
        $output = array_column($subject, $this->arguments['columnKey'], $this->arguments['indexKey']);
        return $this->renderChildrenWithVariableOrReturnInput($output);
    }