original_string: public static function get_device_type() {
          $instance = self::instance();
          if ($instance->devicetype === null) {
              return $instance->guess_device_type();
          }
          return $instance->devicetype;
      }
code: public static function get_device_type() {
          $instance = self::instance();
          if ($instance->devicetype === null) {
              return $instance->guess_device_type();
          }
          return $instance->devicetype;
      }
code_tokens: public static function get_device_type ( ) { $ instance = self :: instance ( ) ; if ( $ instance -> devicetype === null ) { return $ instance -> guess_device_type ( ) ; } return $ instance -> devicetype ; }
docstring: Returns the device type we believe is being used.
  @return string
docstring_tokens: Returns the device type we believe is being used .