Fixed refcount asseration

diff --git a/ext/spl/spl_iterators.c b/ext/spl/spl_iterators.c
index 663e2072aa00c39ebe0017f1473270376bf0cd52..9a29846aaa2461677014cc17e8091876711068b0 100644 (file)
--- a/ext/spl/spl_iterators.c
+++ b/ext/spl/spl_iterators.c
@@ -3487,7 +3487,9 @@ static int spl_iterator_to_values_apply(zend_object_iterator *iter, void *puser
        if (data == NULL) {
                return ZEND_HASH_APPLY_STOP;
        }
-       Z_ADDREF_P(data);
+       if (Z_REFCOUNTED_P(data)) {
+               Z_ADDREF_P(data);
+       }
        add_next_index_zval(return_value, data);
        return ZEND_HASH_APPLY_KEEP;
 }