private function activate_plugin()
 {
     $lca = 'wpssojson';
     $version = WpssoJsonConfig::$cf['plugin'][$lca]['version'];
     // only our config
     if (class_exists('WpssoUtil')) {
         WpssoUtil::save_all_times($lca, $version);
     } else {
         WpssoJson::required_notice(true);
     }
     // $deactivate = true
 }
 public function wpsso_get_config($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);
 }