simplesamlphp / saml2

                    $attributeValue->setAttributeNS(Constants::NS_XSI, 'xsi:nil', 'true');

                }

                if ($value instanceof \DOMNodeList) {

                    for ($i = 0; $i < $value->length; $i++) {

                        $node = $document->importNode($value->item($i), true);

                        $attributeValue->appendChild($node);

                    }

                } else {

                    $attributeValue->appendChild($document->createTextNode($value));

                }

            }

        }

    }

                    $attributeValue->setAttributeNS(Constants::NS_XSI, 'xsi:type', $type);

                }

                if ($value instanceof \DOMNodeList) {

                    for ($i = 0; $i < $value->length; $i++) {

                        $node = $document2->importNode($value->item($i), true);

                        $attributeValue->appendChild($node);

                    }

                } else {

                    $attributeValue->appendChild($document2->createTextNode($value));

                }

            }

            /*Once the attribute nodes are built, the are encrypted*/

            $EncAssert = new XMLSecEnc();