*
* @since 2.1.0
* @var array
- * @access private
*/
- var $responses = array();
+ public $responses = array();
/**
* Constructor - Passes args to {@link WP_Ajax_Response::add()}.
* @see WP_Ajax_Response::add()
*
* @param string|array $args Optional. Will be passed to add() method.
- * @return WP_Ajax_Response
*/
- function __construct( $args = '' ) {
+ public function __construct( $args = '' ) {
if ( !empty($args) )
$this->add($args);
}
/**
- * Append to XML response based on given arguments.
+ * Appends data to an XML response based on given arguments.
*
- * The arguments that can be passed in the $args parameter are below. It is
- * also possible to pass a WP_Error object in either the 'id' or 'data'
- * argument. The parameter isn't actually optional, content should be given
- * in order to send the correct response.
+ * With `$args` defaults, extra data output would be:
*
- * 'what' argument is a string that is the XMLRPC response type.
- * 'action' argument is a boolean or string that acts like a nonce.
- * 'id' argument can be WP_Error or an integer.
- * 'old_id' argument is false by default or an integer of the previous ID.
- * 'position' argument is an integer or a string with -1 = top, 1 = bottom,
- * html ID = after, -html ID = before.
- * 'data' argument is a string with the content or message.
- * 'supplemental' argument is an array of strings that will be children of
- * the supplemental element.
+ * <response action='{$action}_$id'>
+ * <$what id='$id' position='$position'>
+ * <response_data><![CDATA[$data]]></response_data>
+ * </$what>
+ * </response>
*
* @since 2.1.0
+ * @access public
*
- * @param string|array $args Override defaults.
+ * @param string|array $args {
+ * Optional. An array or string of XML response arguments.
+ *
+ * @type string $what XML-RPC response type. Used as a child element of `<response>`.
+ * Default 'object' (`<object>`).
+ * @type string|false $action Value to use for the `action` attribute in `<response>`. Will be
+ * appended with `_$id` on output. If false, `$action` will default to
+ * the value of `$_POST['action']`. Default false.
+ * @type int|WP_Error $id The response ID, used as the response type `id` attribute. Also
+ * accepts a `WP_Error` object if the ID does not exist. Default 0.
+ * @type int|false $old_id The previous response ID. Used as the value for the response type
+ * `old_id` attribute. False hides the attribute. Default false.
+ * @type string $position Value of the response type `position` attribute. Accepts 1 (bottom),
+ * -1 (top), html ID (after), or -html ID (before). Default 1 (bottom).
+ * @type string|WP_Error $data The response content/message. Also accepts a WP_Error object if the
+ * ID does not exist. Default empty.
+ * @type array $supplemental An array of extra strings that will be output within a `<supplemental>`
+ * element as CDATA. Default empty array.
+ * }
* @return string XML response.
*/
- function add( $args = '' ) {
+ public function add( $args = '' ) {
$defaults = array(
'what' => 'object', 'action' => false,
'id' => '0', 'old_id' => false,
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
- $position = preg_replace( '/[^a-z0-9:_-]/i', '', $position );
- if ( is_wp_error($id) ) {
+ $position = preg_replace( '/[^a-z0-9:_-]/i', '', $r['position'] );
+ $id = $r['id'];
+ $what = $r['what'];
+ $action = $r['action'];
+ $old_id = $r['old_id'];
+ $data = $r['data'];
+
+ if ( is_wp_error( $id ) ) {
$data = $id;
$id = 0;
}
$response = '';
- if ( is_wp_error($data) ) {
+ if ( is_wp_error( $data ) ) {
foreach ( (array) $data->get_error_codes() as $code ) {
- $response .= "<wp_error code='$code'><![CDATA[" . $data->get_error_message($code) . "]]></wp_error>";
- if ( !$error_data = $data->get_error_data($code) )
+ $response .= "<wp_error code='$code'><![CDATA[" . $data->get_error_message( $code ) . "]]></wp_error>";
+ if ( ! $error_data = $data->get_error_data( $code ) ) {
continue;
+ }
$class = '';
- if ( is_object($error_data) ) {
- $class = ' class="' . get_class($error_data) . '"';
- $error_data = get_object_vars($error_data);
+ if ( is_object( $error_data ) ) {
+ $class = ' class="' . get_class( $error_data ) . '"';
+ $error_data = get_object_vars( $error_data );
}
$response .= "<wp_error_data code='$code'$class>";
- if ( is_scalar($error_data) ) {
+ if ( is_scalar( $error_data ) ) {
$response .= "<![CDATA[$error_data]]>";
- } elseif ( is_array($error_data) ) {
- foreach ( $error_data as $k => $v )
+ } elseif ( is_array( $error_data ) ) {
+ foreach ( $error_data as $k => $v ) {
$response .= "<$k><![CDATA[$v]]></$k>";
+ }
}
$response .= "</wp_error_data>";
}
$s = '';
- if ( is_array($supplemental) ) {
- foreach ( $supplemental as $k => $v )
+ if ( is_array( $r['supplemental'] ) ) {
+ foreach ( $r['supplemental'] as $k => $v ) {
$s .= "<$k><![CDATA[$v]]></$k>";
+ }
$s = "<supplemental>$s</supplemental>";
}
- if ( false === $action )
+ if ( false === $action ) {
$action = $_POST['action'];
-
+ }
$x = '';
$x .= "<response action='{$action}_$id'>"; // The action attribute in the xml output is formatted like a nonce action
$x .= "<$what id='$id' " . ( false === $old_id ? '' : "old_id='$old_id' " ) . "position='$position'>";
*
* @since 2.1.0
*/
- function send() {
- header('Content-Type: text/xml');
- echo "<?xml version='1.0' standalone='yes'?><wp_ajax>";
+ public function send() {
+ header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
+ echo "<?xml version='1.0' encoding='" . get_option( 'blog_charset' ) . "' standalone='yes'?><wp_ajax>";
foreach ( (array) $this->responses as $response )
echo $response;
echo '</wp_ajax>';