original_string: public function get_error(){
      if ( $this->error ){
        return [
          'code' => $this->error,
          'text' => $this->class_cfg['errors'][$this->error]
        ];
      }
      return false;
    }
code: public function get_error(){
      if ( $this->error ){
        return [
          'code' => $this->error,
          'text' => $this->class_cfg['errors'][$this->error]
        ];
      }
      return false;
    }
code_tokens: public function get_error ( ) { if ( $ this -> error ) { return [ 'code' => $ this -> error , 'text' => $ this -> class_cfg [ 'errors' ] [ $ this -> error ] ] ; } return false ; }
docstring: Returns the last known error and false if there was no error
  @return mixed
docstring_tokens: Returns the last known error and false if there was no error