original_string: private function getMeteredDefault()
    {
      foreach( self::METERED_HEADERS as $header )
      {
        if( array_key_exists( $header, $_SERVER ) )
        {
          return true;
        }
      }
  
      return false;
    }
code: private function getMeteredDefault()
    {
      foreach( self::METERED_HEADERS as $header )
      {
        if( array_key_exists( $header, $_SERVER ) )
        {
          return true;
        }
      }
  
      return false;
    }
code_tokens: private function getMeteredDefault ( ) { foreach ( self :: METERED_HEADERS as $ header ) { if ( array_key_exists ( $ header , $ _SERVER ) ) { return true ; } } return false ; }
docstring: Uses potential mobile headers & Google's new 'save-data' header to determine if we have a metered connection.
  
  * Reference for 'save-data': https://developers.google.com/web/updates/2016/02/save-data
  
  @return bool
docstring_tokens: Uses potential mobile headers & Google s new save - data header to determine if we have a metered connection .