Only add the object to the cache if there is actually an object.

diff --git a/twig.c b/twig.c
index cf79f54..f3bbbec 100644 (file)
--- a/twig.c
+++ b/twig.c
@@ -554,13 +554,16 @@ PHP_FUNCTION(twig_template_get_attributes)
                }
        }
 */
-       char *class_name = TWIG_GET_CLASS_NAME(object);
+       char *class_name;
        zval *tmp_self_cache;
-       
-       tmp_self_cache = TWIG_GET_STATIC_PROPERTY(template, "cache");
 
-       if (!TWIG_GET_ARRAY_ELEMENT(tmp_self_cache, class_name, strlen(class_name))) {
-               twig_add_class_to_cache(tmp_self_cache, object, class_name);
+       if (Z_TYPE_P(object) == IS_OBJECT) {
+               class_name = TWIG_GET_CLASS_NAME(object);
+               tmp_self_cache = TWIG_GET_STATIC_PROPERTY(template, "cache");
+
+               if (!TWIG_GET_ARRAY_ELEMENT(tmp_self_cache, class_name, strlen(class_name))) {
+                       twig_add_class_to_cache(tmp_self_cache, object, class_name);
+               }
        }
 
 /*