ModelBundle/DataFixtures/MongoDB/LoadContentTypeData.php
protected function generateOption($key, $value)
    {
        $option = new FieldOption();
        $option->setKey($key);
        $option->setValue($value);

        return $option;
    }
protected function generateOption($key, $value)
    {
        $option = new FieldOption();
        $option->setKey($key);
        $option->setValue($value);

        return $option;
    }
Generate a field option

@param string $key
@param string|int|array $value

@return FieldOption