Allow stdClass in XML responses

Signed-off-by: jld3103 <jld3103yt@gmail.com>

lib/private/AppFramework/OCS/BaseResponse.php

@@ -143,6 +143,10 @@ abstract class BaseResponse extends Response {
 				$k = 'element';
 			}
 
+			if ($v instanceof \stdClass) {
+				$v = [];
+			}
+
 			if (\is_array($v)) {
 				$writer->startElement($k);
 				$this->toXML($v, $writer);

tests/lib/AppFramework/OCS/BaseResponseTest.php

@@ -45,13 +45,14 @@ class BaseResponseTest extends \Test\TestCase {
 				'someElement' => 'withAttribute',
 			],
 			'value without key',
+			'object' => new \stdClass(),
 		];
 
 		$this->invokePrivate($response, 'toXml', [$data, $writer]);
 		$writer->endDocument();
 
 		$this->assertEquals(
-			"<?xml version=\"1.0\"?>\n<hello>hello</hello><information test=\"some data\"><someElement>withAttribute</someElement></information><element>value without key</element>\n",
+			"<?xml version=\"1.0\"?>\n<hello>hello</hello><information test=\"some data\"><someElement>withAttribute</someElement></information><element>value without key</element><object/>\n",
 			$writer->outputMemory(true)
 		);
 	}