add($args);
}
/**
* Appends data to an XML response based on given arguments.
*
* With `$args` defaults, extra data output would be:
*
*
* <$what id='$id' position='$position'>
*
*
* @since 2.1.0
* @access public
*
* @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 ``.
* Default 'object' (``).
* @type string|false $action Value to use for the `action` attribute in ``. Will be
* appended with `_$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 ``
* element as CDATA. Default empty array.
* }
* @return string XML response.
*/
public function add( $args = '' ) {
$defaults = array(
'what' => 'object', 'action' => false,
'id' => '0', 'old_id' => false,
'position' => 1,
'data' => '', 'supplemental' => array()
);
$r = wp_parse_args( $args, $defaults );
$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 ) ) {
foreach ( (array) $data->get_error_codes() as $code ) {
$response .= "get_error_message( $code ) . "]]> ";
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 );
}
$response .= "";
if ( is_scalar( $error_data ) ) {
$response .= "";
} elseif ( is_array( $error_data ) ) {
foreach ( $error_data as $k => $v ) {
$response .= "<$k>";
}
}
$response .= " ";
}
} else {
$response = "$s ";
}
if ( false === $action ) {
$action = $_POST['action'];
}
$x = '';
$x .= ""; // 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'>";
$x .= $response;
$x .= $s;
$x .= "";
$x .= " ";
$this->responses[] = $x;
return $x;
}
/**
* Display XML formatted responses.
*
* Sets the content type header to text/xml.
*
* @since 2.1.0
*/
public function send() {
header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
echo "";
foreach ( (array) $this->responses as $response )
echo $response;
echo ' ';
if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
wp_die();
else
die();
}
}