<?php namespace Sabre\Xml; /** * Objects implementing XmlSerializable can control how they are represented in * Xml. * * @copyright Copyright (C) 2009-2015 fruux GmbH (https://fruux.com/). * @author Evert Pot (http://evertpot.com/) * @license http://sabre.io/license/ Modified BSD License */ interface XmlSerializable { /** * The xmlSerialize method is called during xml writing. * * Use the $writer argument to write its own xml serialization. * * An important note: do _not_ create a parent element. Any element * implementing XmlSerializble should only ever write what's considered * its 'inner xml'. * * The parent of the current element is responsible for writing a * containing element. * * This allows serializers to be re-used for different element names. * * If you are opening new elements, you must also close them again. * * @param Writer $writer * @return void */ function xmlSerialize(Writer $writer); }