SimplePie::get_base( array $element = [] ): string

2475    public function get_base(array $element = [])2476    {2477        if (!empty($element['xml_base_explicit']) && isset($element['xml_base'])) {2478            return $element['xml_base'];2479        }2480        if (($link = $this->get_link(0, 'alternate')) !== null) {2481            return $link;2482        }2483        if (($link = $this->get_link(0, 'self')) !== null) {2484            return $link;2485        }2486 2487        return $this->subscribe_url() ?? '';2488    }