Source::get_copyright()

393    public function get_copyright()394    {395        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'rights')) {396            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));397        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'copyright')) {398            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));399        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'copyright')) {400            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);401        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'rights')) {402            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);403        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'rights')) {404            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);405        }406 407        return null;408    }