FloKnapp / faulancer

     * @param string $key

     * @return null|string|array

     */

    public function getFlashbagError(string $key)

    {

        if (!isset($_SESSION['flashbag']['errors'][$key])) {

            return null;

        }

        $result = $_SESSION['flashbag']['errors'][$key];

        unset($_SESSION['flashbag']['errors'][$key]);

        return $result;

    }

    /**

     * Set form data in session flashbag

     * @param string $key

     * @return null|array|string

     */

    public function getFlashbagFormData(string $key)

    {

        if (!isset($_SESSION['flashbag']['formData'][$key])) {

            return null;

        }

        $result = $_SESSION['flashbag']['formData'][$key];

        unset($_SESSION['flashbag']['formData'][$key]);

        return $result;

    }

}