Fixed refcounted

diff --git a/ext/spl/spl_iterators.c b/ext/spl/spl_iterators.c
index e6c53194978a5c9b3e654d7571c2bc5f4b51af40..10b7e5f88be818668101540413f9e1fdc78034f8 100644 (file)
--- a/ext/spl/spl_iterators.c
+++ b/ext/spl/spl_iterators.c
@@ -1509,7 +1509,9 @@ static spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAMETERS, z
                                efree(cfi);
                                return NULL;
                        }
-                       Z_ADDREF(cfi->fci.function_name);
+                       if (Z_REFCOUNTED_P(&cfi->fci.function_name)) {
+                               Z_ADDREF(cfi->fci.function_name);
+                       }
                        if (Z_TYPE(cfi->fcc.object) == IS_OBJECT) {
                                ZVAL_COPY(&cfi->object, &cfi->fcc.object);
                        }