private function superior_sctrl($tab, $path=''){
    if ( ($pos = strpos($tab, '_ctrl')) ){
      // Fix the right path
      $bits = explode('/', $path);
      $count = \strlen(substr($tab, 0, $pos));
      if ( !empty($bits) ){
        while ( $count >= 0 ){
          array_pop($bits);
          $count--;
        }
        $path = implode('/', $bits).(!empty($bits) ? '/' : '');
      }
      // Fix the tab's name
      $tab = '_ctrl';
    }
    return [
      'tab' => $tab,
      'path' => $path
    ];
  }