original_string: protected function fileExists()
      {
          $this->clearStatCache(true);
          return (file_exists($this->file_path) && is_file($this->file_path));
      }
code: protected function fileExists()
      {
          $this->clearStatCache(true);
          return (file_exists($this->file_path) && is_file($this->file_path));
      }
code_tokens: protected function fileExists ( ) { $ this -> clearStatCache ( true ) ; return ( file_exists ( $ this -> file_path ) && is_file ( $ this -> file_path ) ) ; }
docstring: Checks whether file exists
  @return bool
docstring_tokens: Checks whether file exists