remove cloning under ze1_compatibility_mode

 - minor BC break but doesnt work right under compat mode anyways

ext/simplexml/simplexml.c

@@ -1102,6 +1102,37 @@ static zend_object_handlers sxe_object_handlers = {
 	NULL
 };
 
+static zend_object_handlers sxe_ze1_object_handlers = {
+	ZEND_OBJECTS_STORE_HANDLERS,
+	sxe_property_read,
+	sxe_property_write,
+	sxe_dimension_read,
+	sxe_dimension_write,
+	NULL,
+	sxe_get_value,			/* get */
+	NULL,
+	sxe_property_exists,
+	sxe_property_delete,
+	sxe_dimension_exists,
+	sxe_dimension_delete,
+	sxe_properties_get,
+	NULL, /* zend_get_std_object_handlers()->get_method,*/
+	NULL, /* zend_get_std_object_handlers()->call_method,*/
+	NULL, /* zend_get_std_object_handlers()->get_constructor, */
+	NULL, /* zend_get_std_object_handlers()->get_class_entry,*/
+	NULL, /* zend_get_std_object_handlers()->get_class_name,*/
+	sxe_objects_compare,
+	sxe_object_cast,
+	NULL
+};
+
+static zend_object_value sxe_object_ze1_clone(zval *zobject TSRMLS_DC)
+{
+	php_error(E_ERROR, "Cannot clone object of class %s due to 'zend.ze1_compatibility_mode'", Z_OBJCE_P(zobject)->name);
+	/* Return zobject->value.obj just to satisfy compiler */
+	return zobject->value.obj;
+}
+
 /* {{{ sxe_object_clone()
  */
 static void
@@ -1207,7 +1238,11 @@ php_sxe_register_object(php_sxe_object *intern TSRMLS_DC)
 	zend_object_value rv;
 
 	rv.handle = zend_objects_store_put(intern, sxe_object_dtor, (zend_objects_free_object_storage_t)sxe_object_free_storage, sxe_object_clone TSRMLS_CC);
-	rv.handlers = (zend_object_handlers *) &sxe_object_handlers;
+	if (EG(ze1_compatibility_mode)) {
+		rv.handlers = (zend_object_handlers *) &sxe_ze1_object_handlers;
+	} else {
+		rv.handlers = (zend_object_handlers *) &sxe_object_handlers;
+	}
 
 	return rv;
 }
@@ -1652,6 +1687,12 @@ PHP_MINIT_FUNCTION(simplexml)
 	sxe_object_handlers.get_class_entry = zend_get_std_object_handlers()->get_class_entry;
 	sxe_object_handlers.get_class_name = zend_get_std_object_handlers()->get_class_name;
 
+	sxe_ze1_object_handlers.get_method = zend_get_std_object_handlers()->get_method;
+	sxe_ze1_object_handlers.get_constructor = zend_get_std_object_handlers()->get_constructor;
+	sxe_ze1_object_handlers.get_class_entry = zend_get_std_object_handlers()->get_class_entry;
+	sxe_ze1_object_handlers.get_class_name = zend_get_std_object_handlers()->get_class_name;
+	sxe_ze1_object_handlers.clone_obj = sxe_object_ze1_clone;
+
 #if HAVE_SPL && !defined(COMPILE_DL_SPL)
 	if (zend_get_module_started("spl") == SUCCESS) {
 		PHP_MINIT(spl_sxe)(INIT_FUNC_ARGS_PASSTHRU);