original_string: public function value()
      {
          if (is_null($this->value)) {
              if (is_null($this->elem)) {
                  $this->value = '';
              } else {
                  $this->value = $this->elem->textContent;
              }
          }
  
          return $this->value;
      }
code: public function value()
      {
          if (is_null($this->value)) {
              if (is_null($this->elem)) {
                  $this->value = '';
              } else {
                  $this->value = $this->elem->textContent;
              }
          }
  
          return $this->value;
      }
code_tokens: public function value ( ) { if ( is_null ( $ this -> value ) ) { if ( is_null ( $ this -> elem ) ) { $ this -> value = '' ; } else { $ this -> value = $ this -> elem -> textContent ; } } return $ this -> value ; }
docstring: Retorna o valor.
  
  @return string
docstring_tokens: Retorna o valor .