public function value()
    {
        if (is_null($this->value)) {
            if (is_null($this->elem)) {
                $this->value = '';
            } else {
                $this->value = $this->elem->textContent;
            }
        }

        return $this->value;
    }
public function value()
    {
        if (is_null($this->value)) {
            if (is_null($this->elem)) {
                $this->value = '';
            } else {
                $this->value = $this->elem->textContent;
            }
        }

        return $this->value;
    }
public function value ( ) { if ( is_null ( $ this -> value ) ) { if ( is_null ( $ this -> elem ) ) { $ this -> value = '' ; } else { $ this -> value = $ this -> elem -> textContent ; } } return $ this -> value ; }
Retorna o valor.

@return string
Retorna o valor .