original_string: public function getPageTitle()
      {
          if (!$this->parser) {
              return;
          }
  
          $node = $this->parser->find('title', 0);
  
          if ($node) {
              return $node->innertext;
          }
      }
code: public function getPageTitle()
      {
          if (!$this->parser) {
              return;
          }
  
          $node = $this->parser->find('title', 0);
  
          if ($node) {
              return $node->innertext;
          }
      }
code_tokens: public function getPageTitle ( ) { if ( ! $ this -> parser ) { return ; } $ node = $ this -> parser -> find ( 'title' , 0 ) ; if ( $ node ) { return $ node -> innertext ; } }
docstring: Get page title
  
  @return string title
docstring_tokens: Get page title