Call cast_object handler from get_properties_for

Zend/zend_object_handlers.c

@@ -1975,6 +1975,16 @@ ZEND_API HashTable *zend_std_get_properties_for(zend_object *obj, zend_prop_purp
 			}
 			ZEND_FALLTHROUGH;
 		case ZEND_PROP_PURPOSE_ARRAY_CAST:
+			if (obj->handlers->cast_object != std_object_handlers.cast_object) {
+				zval result;
+				if (obj->handlers->cast_object(obj, &result, IS_ARRAY) == SUCCESS) {
+					return Z_ARRVAL(result);
+				}
+				if (EG(exception)) {
+					return NULL;
+				}
+			}
+			ZEND_FALLTHROUGH;
 		case ZEND_PROP_PURPOSE_SERIALIZE:
 		case ZEND_PROP_PURPOSE_VAR_EXPORT:
 		case ZEND_PROP_PURPOSE_JSON:

ext/com_dotnet/com_handlers.c

@@ -431,6 +431,10 @@ static int com_objects_compare(zval *object1, zval *object2)
 
 static zend_result com_object_cast(zend_object *readobj, zval *writeobj, int type)
 {
+	if (type == IS_ARRAY) {
+		return FAILURE;
+	}
+
 	php_com_dotnet_object *obj;
 	VARIANT v;
 	VARTYPE vt = VT_EMPTY;

ext/simplexml/simplexml.c

@@ -1819,6 +1819,7 @@ static zend_result cast_object(zval *object, int type, char *contents)
 			convert_scalar_to_number(object);
 			break;
 		default:
+			zval_ptr_dtor_nogc(object);
 			return FAILURE;
 	}
 	return SUCCESS;