public function wpsso_get_config($cf, $plugin_version = 0)
 {
     $info = WpssoJsonConfig::$cf['plugin']['wpssojson'];
     if (version_compare($plugin_version, $info['req']['min_version'], '<')) {
         self::$have_min = false;
         return $cf;
     }
     return SucomUtil::array_merge_recursive_distinct($cf, WpssoJsonConfig::$cf);
 }