original_string: public function xpath() {
      if (!isset($this->xpath)) {
        $this->xpath = new \DOMXPath($this);
      }
  
      return $this->xpath;
    }
code: public function xpath() {
      if (!isset($this->xpath)) {
        $this->xpath = new \DOMXPath($this);
      }
  
      return $this->xpath;
    }
code_tokens: public function xpath ( ) { if ( ! isset ( $ this -> xpath ) ) { $ this -> xpath = new \ DOMXPath ( $ this ) ; } return $ this -> xpath ; }
docstring: Creates a DOMXPath to query this document.
  
  @return DOMXPath
  DOMXPath object.
docstring_tokens: Creates a DOMXPath to query this document .