In `WP_HTTP_IXR_Client`:

* declare `$scheme` as a property, it doesn't exist on the parent class
* declare `$error` as a property of type `IXR_Error`, instead of it being inferred as `boolean` from the parent class

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30179 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-http-ixr-client.php

@@ -7,6 +7,11 @@
  *
  */
 class WP_HTTP_IXR_Client extends IXR_Client {
+	public $scheme;
+	/**
+	 * @var IXR_Error
+	 */
+	public $error;
 
 	public function __construct($server, $path = false, $port = false, $timeout = 15) {
 		if ( ! $path ) {