Piwik\Updates\Updates_2_0_4_b8::getValueAndDelete PHP Метод

    private static function getValueAndDelete(Config $config, $section, $key)
    {
        if (!$config->{$section} || !array_key_exists($key, $config->{$section})) {
            return null;
        }
        $values = $config->{$section};
        $value = $values[$key];
        unset($values[$key]);
        $config->{$section} = $values;
        return $value;
    }