add($args); } /** * Append to 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. * * '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. * * @since 2.1.0 * * @param string|array $args Override defaults. * @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 ( is_array( $r['supplemental'] ) ) { foreach ( $r['supplemental'] as $k => $v ) { $s .= "<$k>"; } $s = "$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(); } }