set(array('posts' => $posts, '_serialize' => 'posts'));` * * When the view is rendered, the `$posts` view variable will be serialized * into XML. * * **Note** The view variable you specify must be compatible with Xml::fromArray(). * * You can also define `'_serialize'` as an array. This will create an additional * top level element named `` containing all the named view variables: * * {{{ * $this->set(compact('posts', 'users', 'stuff')); * $this->set('_serialize', array('posts', 'users')); * }}} * * The above would generate a XML object that looks like: * * `......` * * If you don't use the `_serialize` key, you will need a view. You can use extended * views to provide layout like functionality. * * @package Cake.View * @since CakePHP(tm) v 2.1.0 */ class XmlView extends View { /** * The subdirectory. XML views are always in xml. * * @var string */ public $subDir = 'xml'; /** * Constructor * * @param Controller $controller */ public function __construct($controller) { parent::__construct($controller); if (is_object($controller)) { $controller->response->type('xml'); } } /** * Render a XML view. * * Uses the special '_serialize' parameter to convert a set of * view variables into a XML response. Makes generating simple * XML responses very easy. You can omit the '_serialize' parameter, * and use a normal view + layout as well. * * @param string $view The view being rendered. * @param string $layout The layout being rendered. * @return string The rendered view. */ public function render($view = null, $layout = null) { if (isset($this->viewVars['_serialize'])) { $serialize = $this->viewVars['_serialize']; if (is_array($serialize)) { $data = array('response' => array()); foreach ($serialize as $key) { $data['response'][$key] = $this->viewVars[$key]; } } else { $data = isset($this->viewVars[$serialize]) ? $this->viewVars[$serialize] : null; } return $this->output = Xml::fromArray($data)->asXML(); } if ($view !== false && $viewFileName = $this->_getViewFileName($view)) { return $this->output = $this->_render($viewFileName); } } }