SimpleSAML_Session::unserialize PHP Method

    public function unserialize($serialized)
    {
        $session = unserialize($serialized);
        if (is_array($session)) {
            foreach ($session as $k => $v) {
                $this->{$k} = $v;
            }
        }
        // look for any raw attributes and load them in the 'Attributes' array
        foreach ($this->authData as $authority => $parameters) {
            if (!array_key_exists('RawAttributes', $parameters)) {
                continue;
            }
            foreach ($parameters['RawAttributes'] as $attribute => $values) {
                foreach ($values as $idx => $value) {
                    // this should be originally a DOMNodeList
                    /* @var \SAML2\XML\saml\AttributeValue $value */
                    $this->authData[$authority]['Attributes'][$attribute][$idx] = $value->element->childNodes;
                }
            }
        }
    }